Eleplan is a secure plan for family caregivers that brings together documents, medications, appointments, notes, and the care team in one place. Its AI assistant, Ellie, answers questions, drafts messages, takes notes, and keeps everything in sync across the people you care for.

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Medication reference

Codeine

ORAL

Codeine. INDICATIONS AND USAGE Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is indicated for the temporary relief of coughs and upper

Boxed warning

WARNING: ADDICTION, ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; ULTRA-RAPID METABOLISM OF CODEINE AND OTHER RISK FACTORS FOR LIFE-THREATENING RESPIRATORY DEPRESSION IN CHILDREN; PROMETHAZINE AND RESPIRATORY DEPRESSION IN CHILDREN; MEDICATION ERRORS; INTERACTIONS WITH DRUGS AFFECTING CYTOCHROME P450 ISOENZYMES; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to overdose and death. Reserve Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution for use in adult patients for whom the benefits of cough suppression are expected to outweigh the risks, and in whom an adequate assessment of the etiology of the cough has been made. Assess each patient’s risk prior to prescribing Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution, prescribe Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution for the shortest duration that is consistent with individual patient treatment goals , monitor all patients regularly for the development of addition or abuse, and refill only after reevaluation of the need for continued treatment [see Warnings and Precautions (5.1) ]. Life-Threatening Respiratory Depression Serious, life-threatening, or fatal respiratory depression may occur with use of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution. Monitor for respiratory depression, especially during initiation of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution therapy or when used in patients at higher risk [see Warnings and Precautions (5.2) ]. Accidental Ingestion Accidental ingestion of even one dose of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution, especially by children, can result in a fatal overdose of codeine [see Warnings and Precautions (5.2) ] . Ultra-Rapid Metabolism of Codeine and Other Risk Factors for Life-Threatening Respiratory Depression in Children Life-threatening respiratory depression and death have occurred in children who received codeine. Most of the reported cases occurred following tonsillectomy and/or adenoidectomy, and many of the children had evidence of being an ultra-rapid metabolizer of codeine due to a CYP2D6 polymorphism [see Warnings and Precautions (5.3) ] . Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is contraindicated in children younger than 12 years of age and in children younger than 18 years of age following tonsillectomy and/or adenoidectomy [see Contraindications (4) ] . Avoid the use of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution in adolescents 12 to 18 years of age who have other risk factors that may increase their sensitivity to the respiratory depressant effects of codeine. Promethazine and Respiratory Depression in Children Postmarketing cases of respiratory depression, including fatalities have been reported with use of promethazine in pediatric patients. Children may be particularly sensitive to the additive respiratory depressant effects when promethazine is combined with other respiratory depressants, including codeine [see Warnings and Precautions (5.4) ] . Risk of Medication Errors Ensure accuracy when prescribing, dispensing, and administering Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution. Dosing errors can result in accidental overdose and death. Always use an accurate milliliter measuring device when measuring and administering Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution [see Dosage and Administration (2.1) , Warnings and Precautions (5.7) ] . Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and the active metabolite, morphine. Avoid the use of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution in patients who are taking a CYP3A4 inhibitor, CYP3A4 inducer, or 2D6 inhibitor [see Warnings and Precautions (5.9) , Drug Interactions (7.1 , 7.2 , 7.3 )] . Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death . Avoid the use of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution in patients taking benzodiazepines, other CNS depressants, or alcohol [see Warnings and Precautions (5.10) , Drug Interactions (7.4) ]. Neonatal Opioid Withdrawal Syndrome Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is not recommended for use in pregnant women [see Use in Specific Populations (8.1) ] . Advise pregnant women using opioids for an extended period of time of the risk of Neonatal Opioid Withdrawal Syndrome, which may be life-threatening if not recognized and treated. Ensure that management by neonatology experts will be available at delivery [see Warnings and Precautions (5.20) ] . WARNING: ADDICTION, ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; ULTRA-RAPID METABOLISM OF CODEINE AND OTHER RISK FACTORS FOR LIFE-THREATENING RESPIRATORY DEPRESSION IN CHILDREN; PROMETHAZINE AND RESPIRATORY DEPRESSION IN CHILDREN; MEDICATION ERRORS; INTERACTIONS WITH DRUGS AFFECTING CYTOCHROME P450 ISOENZYMES; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; NEONATAL OPIOID WITHDRAWAL SYNDROME See full prescribing information for complete boxed warning. Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution exposes users to risks of addiction, abuse, and misuse, which can lead to overdose and death. Assess patient’s risk before prescribing and monitor closely for these behaviors and conditions. ( 5.1 ) Serious, life-threatening, or fatal respiratory depression may occur. Monitor closely, especially upon initiation or when used in patients at higher risk. ( 5.2 ) Accidental ingestion of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution, especially by children, can result in a fatal overdose of codeine. ( 5.2 ) Life-threatening respiratory depression and death have occurred in children who received codeine; most cases followed tonsillectomy and/or adenoidectomy, and many of the children had evidence of being an ultra-rapid metabolizer of codeine due to a CYP2D6 polymorphism. ( 5.3 ) Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is contraindicated in children younger than 12 years of age and in children younger than 18 years of age following tonsillectomy and/or adenoidectomy. ( 4 ) Avoid the use of Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution in adolescents 12 to 18 years of age who have other risk factors that may increase their sensitivity to the respiratory depressant effects of codeine. Postmarketing cases of respiratory depression, including fatalities have been reported with use of promethazine in pediatric patients. Children may be particularly sensitive to the additive respiratory depressant effects when promethazine is combined with other respiratory depressants, including codeine. ( 5.4 ) Ensure accuracy when prescribing, dispensing, and administering Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution. Dosing errors can result in accidental overdose and death. ( 2.1 , 5.7 ) The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and

Brand names

Codeine sulfateCodeine SulfatePromethazine and Phenylephrine HCl, and Codeine Phosphate

Active ingredients

CODEINE SULFATECODEINE PHOSPHATEPHENYLEPHRINE HYDROCHLORIDEPROMETHAZINE HYDROCHLORIDE

Indications

INDICATIONS AND USAGE Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is indicated for the temporary relief of coughs and upper respiratory symptoms, including nasal congestion, associated with allergy or the common cold in patients 18 years of age and older. Limitations of Use Not indicated for pediatric patients under 18 years of age [see Use in Specific Populations (8.4) ] . Contraindicated in pediatric patients under 12 years of age [see Contraindications (4) , Use in Specific Populations (8.4) ] . Contraindicated in pediatric patients 12 to 18 years of age after tonsillectomy or adenoidectomy [see Contraindications (4) , Use in Specific Populations (8.4) ] . Because of the risks of addiction, abuse, misuse, overdose and death, which can occur at any dosage or duration and persist over the course of therapy [see Warnings and Precautions (5.1) ], reserve Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution for use in adult patients for whom alternative treatment options are ineffective, not tolerated, or would be otherwise inadequate to provide sufficient management of cough. Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is a combination of codeine, an opioid agonist; promethazine, a phenothiazine; and phenylephrine, an alpha-1 adrenergic receptor agonist, indicated for the temporary relief of cough and upper respiratory symptoms, including nasal congestion, associated with allergy or the common cold in patients 18 years of age and older. ( 1 ) Limitations of Use Not indicated for pediatric patients under 18 years of age. (1) Because of the risks of addiction, abuse, misuse, overdose, and death which can occur at any dosage or duration and persist over the course of therapy, reserve Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution for use in adult patients for whom alternative treatment options are ineffective, not tolerated, or would be otherwise inadequate to provide sufficient management of cough. (1 , 5.1)

Dosage

DOSAGE AND ADMINISTRATION • Codeine Sulfate Tablets should be prescribed only by healthcare professionals who are knowledgeable about the use of opioids and how to mitigate the associated risks. ( 2.1 ) • Use the lowest effective dosage for the shortest duration of time consistent with individual patient treatment goals. Reserve titration to higher doses of Codeine Sulfate Tablets for patients in whom lower doses are insufficiently effective and in whom the expected benefits of using a higher dose opioid clearly outweigh the substantial risks. ( 2.1 , 5 ) • Many acute pain conditions (e.g., the pain that occurs with a number of surgical procedures or acute musculoskeletal injuries) require no more than a few days of an opioid analgesic. Clinical guidelines on opioid prescribing for some acute pain conditions are available. ( 2.1 ) • Initiate the dosing regimen for each patient individually, taking into account the patient’s underlying cause and severity of pain, prior analgesic treatment and response, and risk factors for addiction, abuse, and misuse. ( 2.1 , 5.1 ) • Respiratory depression can occur at any time during opioid therapy, especially when initiating and following dosage increases with Codeine Sulfate Tablets. Consider this risk when selecting an initial dose and when making dose adjustments. ( 2.1 , 5.2 ) • Discuss opioid overdose reversal agents and options for acquiring them with the patient and/or caregiver, both when initiating and renewing treatment with Codeine Sulfate Tablets, especially if the patient has additional risk factors for overdose, or close contacts at risk for exposure and overdose. ( 2.2 , 5.1 , 5.2 , 5.3 ) • Initiate treatment with 15 to 60 mg every 4 hours as needed for pain, and at the lowest dose necessary to achieve adequate analgesia. Titrate the dose based upon the individual patient’s response to their initial dose of Codeine Sulfate Tablets. ( 2.3 ) • Periodically reassess patients receiving Codeine Sulfate Tablets to evaluate the continued need for opioid analgesics to maintain pain control, for the signs or symptoms of adverse reactions, and for the development of addiction, abuse, or misuse. ( 2.4 ) • Do not rapidly reduce or abruptly discontinue Codeine Sulfate Tablets in a physically-dependent patient because rapid reduction or abrupt discontinuation of opioid analgesics has resulted in serious withdrawal symptoms, uncontrolled pain, and suicide. ( 2.5 , 5.16 ) 2.1 Important Dosage and Administration Instructions • Codeine Sulfate Tablets should be prescribed only by healthcare professionals who are knowledgeable about the use of opioids and how to mitigate the associated risks. • Use the lowest effective dosage for the shortest duration of time consistent with individual patient treatment goals [see Warnings and Precautions ( 5 )] . Because the risk of overdose increases as opioid doses increase, reserve titration to higher doses of Codeine Sulfate Tablets for patients in whom lower doses are insufficiently effective and in whom the expected benefits of using a higher dose opioid clearly outweigh the substantial risks. • Many acute pain conditions (e.g., the pain that occurs with a number of surgical procedures or acute musculoskeletal injuries) require no more than a few days of an opioid analgesic. Clinical guidelines on opioid prescribing for some acute pain conditions are available. • There is variability in the opioid analgesic dose and duration needed to adequately manage pain due both to the cause of pain and to individual patient factors. Initiate the dosing regimen for each patient individually, taking into account the patient’s underlying cause and severity of pain, prior analgesic treatment and response, and risk factors for addiction, abuse, and misuse [see Warnings and Precautions ( 5.1 )] . • Respiratory depression can occur at any time during opioid therapy, especially when initiating and following dosage increases with Codeine Sulfate Tablets. Consider this risk when selecting an initial dose and when making dose adjustments [see Warnings and Precautions ( 5 )]. 2.2 Patient Access to an Opioid Overdose Reversal Agent for the Emergency Treatment of Opioid Overdose Inform patients and caregivers about opioid overdose reversal agents (e.g., naloxone, nalmefene). Discuss the importance of having access to an opioid overdose reversal agent, especially if the patient has risk factors for overdose (e.g., concomitant use of CNS depressants, a history of opioid use disorder, or prior opioid overdose) or if there are household members (including children) or other close contacts at risk for accidental ingestion or opioid overdose. The presence of risk factors for overdose should not prevent the management of pain in any patient [see Warnings and Precautions ( 5.1 , 5.2 , 5.3 )]. Discuss the options for obtaining an opioid overdose reversal agent (e.g., prescription, over-the-counter, or as part of a community-based program) [see Warnings and Precautions ( 5.2 )] . There are important differences among the opioid overdose reversal agents, such as route of administration, product strength, approved patient age range, and pharmacokinetics. Be familiar with these differences, as outlined in the approved labeling for those products, prior to recommending or prescribing such an agent . 2.3 Initial Dosage Initiating Treatment with Codeine Sulfate Tablets: Initiate treatment with Codeine Sulfate Tablets in a dosing range of 15 to 60 mg every 4 hours as needed for pain, and at the lowest dose necessary to achieve adequate analgesia. Titrate the dose based upon the individual patient’s response to their initial dose of Codeine Sulfate Tablets. Adult doses of Codeine Sulfate Tablets higher than 60 mg provide no further efficacy but are associated with greater adverse reactions. The maximum 24-hour dose is 360 mg. Conversion from Other Opioids to Codeine Sulfate Tablets: There is inter-patient variability in the potency of opioid drugs and opioid formulations. Therefore, a conservative approach is advised when determining the total daily dosage of Codeine Sulfate Tablets. It is safer to underestimate a patient’s 24-hour Codeine Sulfate Tablets dosage than to overestimate the 24-hour Codeine Sulfate Tablets dosage and manage an adverse reaction due to overdose. 2.4 Titration and Maintenance of Therapy Individually titrate Codeine Sulfate Tablets to a dose that provides adequate analgesia and minimizes adverse reactions. Continually reevaluate patients receiving codeine sulfate to assess the maintenance of pain control, signs and symptoms of opioid withdrawal, and other adverse reactions as well as to reassess for the development of addiction, abuse, or misuse [see Warnings and Precautions ( 5.1 , 5.16 )] . Frequent communication is important among the prescriber, other members of the healthcare team, the patient, and the caregiver/family during periods of changing analgesic requirements, including initial titration. If the level of pain increases after dosage stabilization, attempt to identify the source of increased pain before increasing the Codeine Sulfate Tablets dosage. If after increasing the dosage, unacceptable opioid-related adverse reactions are observed (including an increase in pain after a dosage increase), consider reducing the dosage [see Warnings and Precautions ( 5 )] . Adjust the dosage to obtain an appropriate balance between management of pain and opioid-related adverse reactions. 2.5 Safe Reduction or Discontinuation of Codeine Sulfate Tablets Do not rapidly reduce or abruptly discontinue Codeine Sulfate Tablets in patients who may be physically dependent on opioids. Rapid reduction or abrupt discontinuation of opioid analgesics in patients who are physically dependent on opioids has resulted in serious withdrawal symptoms, uncontrolled pain, and suicide. Rapid reduction or abrupt discontinuation has also been associated with attempts to find other sources of opioid analgesics, which may

Warnings

WARNINGS AND PRECAUTIONS • Opioid-Induced Hyperalgesia and Allodynia: Opioid-Induced Hyperalgesia (OIH) occurs when an opioid analgesic paradoxically causes an increase in pain, or an increase in sensitivity to pain. If OIH is suspected, carefully consider appropriately decreasing the dose of the current opioid analgesic, or opioid rotation. ( 5.8 ) • Life-Threatening Respiratory Depression in Patients with Chronic Pulmonary Disease or in Elderly, Cachectic, or Debilitated Patients : Regularly evaluate closely, particularly during initiation and titration. ( 5.9 ) • Adrenal Insufficiency : If diagnosed, treat with physiologic replacement of corticosteroids, and wean patient off of the opioid. ( 5.11 ) • Severe Hypotension : Regularly evaluate during dosage initiation and titration. Avoid use of Codeine Sulfate Tablets in patients with circulatory shock. ( 5.12 ) • Risks of Use in Patients with Increased Intracranial Pressure, Brain Tumors, Head Injury, or Impaired Consciousness : Monitor for sedation and respiratory depression. Avoid use of Codeine Sulfate Tablets in patients with impaired consciousness or coma. ( 5.13 ) 5.1 Addiction, Abuse, and Misuse Codeine Sulfate Tablets contain codeine, a Schedule II controlled substance. As an opioid, Codeine Sulfate Tablets exposes users to the risks of addiction, abuse, and misuse [see Drug Abuse and Dependence ( 9 )]. Although the risk of addiction in any individual is unknown, it can occur in patients appropriately prescribed Codeine Sulfate Tablets. Addiction can occur at recommended dosages and if the drug is misused or abused. The risk of opioid-related overdose or overdose-related death is increased with higher opioid doses, and this risk persists over the course of therapy. In postmarketing studies, addiction, abuse, misuse, and fatal and non-fatal opioid overdose were observed in patients with long-term opioid use [see Adverse Reactions ( 6 )] . Assess each patient’s risk for opioid addiction, abuse, or misuse prior to prescribing Codeine Sulfate Tablets, and reassess all patients receiving Codeine Sulfate Tablets for the development of these behaviors and conditions. Risks are increased in patients with a personal or family history of substance abuse (including drug or alcohol abuse or addiction) or mental illness (e.g., major depression). The potential for these risks should not, however, prevent the proper management of pain in any given patient. Patients at increased risk may be prescribed opioids such as Codeine Sulfate Tablets, but use in such patients necessitates intensive counseling about the risks and proper use of Codeine Sulfate Tablets along with frequent reevaluation for signs of addiction, abuse, and misuse. Consider recommending or prescribing an opioid overdose reversal agent [see Dosage and Administration ( 2.2 ), Warnings and Precautions ( 5.2 )]. Opioids are sought for nonmedical use and are subject to diversion from legitimate prescribed use. Consider these risks when prescribing or dispensing Codeine Sulfate Tablets. Strategies to reduce these risks include prescribing the drug in the smallest appropriate quantity and advising the patient on careful storage of the drug during the course of treatment and proper disposal of unused drug. Contact local state professional licensing board or state-controlled substances authority for information on how to prevent and detect abuse or diversion of this product. 5.2 Life-Threatening Respiratory Depression Serious, life-threatening, or fatal respiratory depression has been reported with the use of opioids, even when used as recommended. Respiratory depression, if not immediately recognized and treated, may lead to respiratory arrest and death. Management of respiratory depression may include close observation, supportive measures, and use of opioid overdose reversal agents , depending on the patient’s clinical status [see Overdosage ( 10 )]. Carbon dioxide (CO 2 ) retention from opioid-induced respiratory depression can exacerbate the sedating effects of opioids. While serious, life-threatening, or fatal respiratory depression can occur at any time during the use of Codeine Sulfate Tablets, the risk is greatest during the initiation of therapy or following a dosage increase. To reduce the risk of respiratory depression, proper dosing and titration of Codeine Sulfate Tablets are essential [see Dosage and Administration ( 2.3 , 2.4 )]. Overestimating the Codeine Sulfate Tablets dosage when converting patients from another opioid product can result in a fatal overdose with the first dose. Accidental ingestion of even one dose of Codeine Sulfate Tablets, especially by children, can result in respiratory depression and death due to an overdose of codeine. Educate patients and caregivers on how to recognize respiratory depression and emphasize the importance of calling 911 or getting emergency medical help right away in the event of a known or suspected overdose. Opioids can cause sleep-related breathing disorders including central sleep apnea (CSA) and sleep-related hypoxemia. Opioid use increases the risk of CSA in a dose-dependent fashion. In patients who present with CSA, consider decreasing the opioid dosage using best practices for opioid taper [see Dosage and Administration ( 2.4 )]. Patient Access to an Opioid Overdose Reversal Agent for the Emergency Treatment of Opioid Overdose: Inform patients and caregivers about opioid overdose reversal agents (e.g., naloxone, nalmefene). Discuss the importance of having access to an opioid overdose reversal agent, especially if the patient has risk factors for overdose (e.g., concomitant use of CNS depressants, a history of opioid use disorder, or prior opioid overdose) or if there are household members (including children) or other close contacts at risk for accidental ingestion or opioid overdose. The presence of risk factors for overdose should not prevent the management of pain in any patient [see Warnings and Precautions ( 5.1 , 5.3 )] . Discuss the options for obtaining an opioid overdose reversal agent (e.g., prescription, over-the-counter, or as part of a community-based program). There are important differences among the opioid overdose reversal agents, such as route of administration, product strength, approved patient age range, and pharmacokinetics. Be familiar with these differences, as outlined in the approved labeling for those products, prior to recommending or prescribing such an agent. Educate patients and caregivers on how to recognize respiratory depression, and how to use an opioid overdose reversal agent for the emergency treatment of opioid overdose. Emphasize the importance of calling 911 or getting emergency medical help, even if an opioid overdose reversal agent is administered [see Dosage and Administration ( 2.2 ), Warnings and Precautions ( 5.1 , 5.3 ), Overdosage ( 10 )] . 5.3 Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Profound sedation, respiratory depression, coma, and death may result from the concomitant use of Codeine Sulfate Tablets with benzodiazepines and/or other CNS depressants, including alcohol (e.g., non-benzodiazepine sedatives/hypnotics, anxiolytics, tranquilizers, muscle relaxants, general anesthetics, antipsychotics, gabapentinoids [gabapentin or pregabalin], and other opioids). Because of these risks, reserve concomitant prescribing of these drugs for use in patients for whom alternative treatment options are inadequate. Observational studies have demonstrated that concomitant use of opioid analgesics and benzodiazepines increases the risk of drug-related mortality compared to use of opioid analgesics alone. Because of similar pharmacological properties, it is reasonable to expect similar risk with the concomitant use of other CNS depressant drugs with opioid analgesics [see Drug Interactions ( 7 )] . If the decision is made to prescribe a benzodiazepine or other CNS depressant concomitantly with an opioid analgesic, p

Contraindications

CONTRAINDICATIONS Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is contraindicated for: All children younger than 12 years of age [see Warnings and Precautions ( 5.2 , 5.3 , 5.5 ), Use in Specific Populations (8.4) ] . Postoperative pain management in children younger than 18 years of age following tonsillectomy and/or adenoidectomy [see Warnings and Precautions (5.2 , 5.3 )] . Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution is also contraindicated in patients with: Significant respiratory depression [see Warnings and Precautions (5.2) ] . Acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment [see Warnings and Precautions (5.6) ] . Known or suspected gastrointestinal obstruction, including paralytic ileus [see Warnings and Precautions (5.11) ] . Narrow angle glaucoma, urinary retention, severe hypertension, severe coronary artery disease, or peripheral vascular insufficiency (ischemia may result with risk of gangrene or thrombosis of compromised vascular beds) [see Warnings and Precautions (5.13) ] . A history of an idiosyncratic reaction to promethazine or to other phenothiazines [see Warnings and Precautions (5.15) ] . Concurrent use of monoamine oxidase inhibitors (MAOIs) or use of MAOIs within 14 days [see Warnings and Precautions (5.17) , Drug Interactions (7.6) ] . Hypersensitivity to codeine, promethazine, phenylephrine, or any of the inactive ingredients in Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution [see Adverse Reactions (6) ] . Persons known to be hypersensitive to certain other opioids may exhibit cross-reactivity to codeine. Children younger than 12 years of age. ( 4 ) Significant respiratory depression. ( 4 ) Acute or severe bronchial asthma in an unmonitored setting or in absence of resuscitative equipment. ( 4 ) Known or suspected gastrointestinal obstruction, including paralytic ileus. ( 4 ) Patients with narrow angle glaucoma, urinary retention, severe hypertension, severe coronary artery disease, or peripheral vascular insufficiency. ( 4 ) Concurrent use of monoamine oxidase inhibitor (MAOI) therapy or within the last 14 days. ( 4 ) History of an idiosyncratic reaction to promethazine or to other phenothiazines. ( 4 ) Hypersensitivity to codeine or other opiates, promethazine, phenylephrine, or any of the inactive ingredients in Promethazine and Phenylephrine HCl and Codeine Phosphate Oral Solution. ( 4 )

Drug interactions

DRUG INTERACTIONS Table 1 includes clinically significant drug interactions with Codeine Sulfate Tablets. Table 1: Clinically Significant Drug Interactions with Codeine Sulfate Tablets Inhibitors of CYP3A4 Clinical Impact: The concomitant use of Codeine Sulfate Tablets with CYP3A4 inhibitors, may result in an increase in codeine plasma concentrations with subsequently greater metabolism by cytochrome CYP2D6, resulting in greater morphine levels, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression, particularly when an inhibitor is added after a stable dose of Codeine Sulfate Tablets is achieved [see Warnings and Precautions ( 5.7 )] . After stopping a CYP3A4 inhibitor, as the effects of the inhibitor decline, it may result in lower codeine levels, greater norcodeine levels, and less metabolism via CYP2D6 with resultant lower morphine levels [see Clinical Pharmacology ( 12.3 )] , resulting in decreased opioid efficacy or a withdrawal syndrome in patients who had developed physical dependence to codeine. Intervention: If concomitant use of CYP3A4 inhibitor is necessary, consider dosage reduction of Codeine Sulfate Tablets until stable drug effects are achieved. Evaluate patients at frequent intervals for respiratory depression and sedation. If a CYP3A4 inhibitor is discontinued, consider increasing the Codeine Sulfate Tablets dosage until stable drug effects are achieved. Assess for signs of opioid withdrawal. Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g. ketoconazole), protease inhibitors (e.g., ritonavir) CYP3A4 Inducers Clinical Impact: The concomitant use of Codeine Sulfate Tablets and CYP3A4 inducers can result in lower codeine levels, greater norcodeine levels, and less metabolism via 2D6 with resultant lower morphine levels [see Clinical Pharmacology ( 12.3 )] , resulting in decreased efficacy or onset of a withdrawal syndrome in patients who have developed physical dependence [see Warnings and Precautions ( 5.7 )] . After stopping a CYP3A4 inducer, as the effects of the inducer decline, codeine plasma concentrations may increase with subsequently greater metabolism by cytochrome CYP2D6, resulting in greater morphine levels [see Clinical Pharmacology ( 12.3 )] , which could increase or prolong both the therapeutic effects and adverse reactions, and may cause serious respiratory depression. Intervention: If concomitant use of a CYP3A4 inducer is necessary, evaluate patients at frequent intervals for reduced efficacy and signs of opioid withdrawal and consider increasing the Codeine Sulfate Tablets dosage as needed. If a CYP3A4 inducer is discontinued, consider Codeine Sulfate Tablets dosage reduction and evaluate patients at frequent intervals for signs of respiratory depression and sedation. Examples: Rifampin, carbamazepine, phenytoin Inhibitors of CYP2D6 Clinical Impact: Codeine is metabolized by CYP2D6 to form morphine. The concomitant use of Codeine Sulfate Tablets and CYP2D6 inhibitors can increase the plasma concentration of codeine, but can decrease the plasma concentration of active metabolite morphine, which could result in reduced analgesic efficacy or symptoms of opioid withdrawal, particularly when an inhibitor is added after a stable dose of Codeine Sulfate Tablets is achieved [see Clinical Pharmacology ( 12.3 )] . After stopping a CYP2D6 inhibitor, as the effects of the inhibitor decline, the codeine plasma concentration will decrease but the active metabolite morphine plasma concentration will increase, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression [see Clinical Pharmacology ( 12.3 )] . Intervention: If concomitant use with a CYP2D6 inhibitor is necessary, or if a CYP2D6 inhibitor is discontinued after concomitant use, consider dosage adjustment of Codeine Sulfate Tablets and evaluate patients at frequent intervals. If concomitant use with CYP2D6 inhibitors is necessary, evaluate patients for reduced efficacy or signs and symptoms of opioid withdrawal and consider increasing the dosage of Codeine Sulfate Tablets as needed. After stopping use of a CYP2D6 inhibitor, consider reducing the dosage of Codeine Sulfate Tablets and evaluate patients at frequent intervals for signs and symptoms of respiratory depression or sedation. Examples: Paroxetine, fluoxetine, bupropion, quinidine. Benzodiazepines and Other Central Nervous System (CNS) Depressants Clinical Impact: Due to additive pharmacologic effect, the concomitant use of benzodiazepines or other CNS depressants, including alcohol, can increase the risk of hypotension, respiratory depression, profound sedation, coma, and death. Intervention: Reserve concomitant prescribing of these drugs for use in patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Inform patients and caregivers of this potential interaction and educate them on the signs and symptoms of respiratory depression (including sedation). If concomitant use is warranted, consider recommending or prescribing an opioid overdose reversal agent [see Dosage and Administration ( 2.2 ), Warnings and Precautions ( 5.1 , 5.2 , 5.3 )] . Examples: Benzodiazepines and other sedatives/hypnotics, anxiolytics, tranquilizers, muscle relaxants, general anesthetics, antipsychotics, gabapentinoids (gabapentin or pregabalin), other opioids, alcohol. Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome. Intervention: If concomitant use is warranted, frequently evaluate the patient, particularly during treatment initiation and dose adjustment. Discontinue Codeine Sulfate Tablets if serotonin syndrome is suspected. Examples: Selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), monoamine oxidase (MAO) inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and intravenous methylene blue). Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact: MAOI interactions with opioids may manifest as serotonin syndrome or opioid toxicity (e.g., respiratory depression, coma) [see Warnings and Precautions ( 5.10 )]. Intervention: Do not use Codeine Sulfate Tablets in patients taking MAOIs or within 14 days of stopping such treatment. If urgent use of an opioid is necessary, use test doses and frequent titration of small doses of other opioids (such as oxycodone, hydrocodone, oxymorphone, hydrocodone, or buprenorphine) to treat pain while closely monitoring blood pressure and signs and symptoms of CNS and respiratory depression. Examples: Phenelzine, tranylcypromine, linezolid. Mixed Agonist/Antagonist and Partial Agonist Opioid Analgesics Clinical Impact: May reduce the analgesic effect of Codeine Sulfate Tablets and/or precipitate withdrawal symptoms. Intervention: Avoid concomitant use. Examples: Butorphanol, nalbuphine, pentazocine, buprenorphine. Muscle Relaxants Clinical Impact: Codeine may enhance the neuromuscular blocking action of skeletal muscle relaxants and produce an increased degree of respiratory depression. Intervention: Because respiratory depression may be greater than otherwise expected, decrease the dosage of Codeine Sulfate Tablets and/or the muscle relaxant as necessary. Due to the risk of respiratory depression with concomitant use of skeletal muscle relaxants and opioids, consider recommending or prescribing an opioid overdose reversal agent [see Dosage and Administration ( 2.2 ), Warnings and Precautions ( 5.2 , 5.3 )]. Examples: Cyclobenzaprine, metaxalone. Diuretics Clinical Impact: Opioi

Adverse reactions

ADVERSE REACTIONS The following serious adverse reactions are described, or described in greater detail, in other sections: • Addiction, Abuse, and Misuse [see Warnings and Precautions ( 5.1 )] • Life-Threatening Respiratory Depression [see Warnings and Precautions ( 5.2 )] • Interactions with Benzodiazepines and Other CNS Depressants [see Warnings and Precautions ( 5.3 )] • Neonatal Opioid Withdrawal Syndrome [see Warnings and Precautions ( 5.4 )] • Ultra-Rapid Metabolism of Codeine and Other Risk Factors for Life-Threatening Respiratory Depression in Children [see Warnings and Precautions ( 5.6 )] • Opioid-Induced Hyperalgesia and Allodynia [see Warnings and Precautions ( 5.8 )] • Adrenal Insufficiency [see Warnings and Precautions ( 5.11 )] • Severe Hypotension [see Warnings and Precautions ( 5.12 )] • Gastrointestinal Adverse Reactions [see Warnings and Precautions ( 5.14 )] • Seizures [see Warnings and Precautions ( 5.15 )] • Withdrawal [see Warnings and Precautions ( 5.16 )] The following adverse reactions associated with the use of codeine were identified in clinical studies or postmarketing reports. Because some of these reactions were reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Serious adverse reactions associated with codeine were respiratory depression and, to a lesser degree, circulatory depression, respiratory arrest, shock, and cardiac arrest. The most frequently observed adverse reactions with codeine administration included drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea, vomiting, sweating, and constipation. Other adverse reactions included allergic reactions, euphoria, dysphoria, abdominal pain, and pruritis. Other less frequently observed adverse reactions expected from opioid analgesics, including Codeine Sulfate Tablets, include: Cardiovascular System : faintness, flushing, hypotension, palpitations, syncope Digestive System : abdominal cramps, anorexia, diarrhea, dry mouth, gastrointestinal distress, pancreatitis Nervous System : anxiety, drowsiness, fatigue, headache, insomnia, nervousness, shakiness, somnolence, vertigo, visual disturbances, weakness Skin and Appendages : rash, sweating, urticaria Serotonin Syndrome : Cases of serotonin syndrome, a potentially life-threatening condition, have been reported during concomitant use of opioids with serotonergic drugs. Adrenal Insufficiency : Cases of adrenal insufficiency have been reported with opioid use, more often following greater than one month of use. Anaphylaxis : Anaphylaxis has been reported with ingredients contained in Codeine Sulfate Tablets. Androgen Deficiency : Cases of androgen deficiency have occurred with use of opioids for an extended period of time [see Clinical Pharmacology ( 12.2 )] . Hyperalgesia and Allodynia : Cases of hyperalgesia and allodynia have been reported with opioid therapy of any duration [see Warnings and Precautions ( 5.8 )] . Hypoglycemia : Cases of hypoglycemia have been reported in patients taking opioids. Most reports were in patients with at least one predisposing risk factor (e.g., diabetes). Opioid-induced esophageal dysfunction (OIED): Cases of OIED have been reported in patients taking opioids and may occur more frequently in patients taking higher doses of opioids, and/or in patients taking opioids longer term [see Warnings and Precautions ( 5.14 )] . Adverse Reactions from Observational Studies A prospective, observational cohort study estimated the risks of addiction, abuse, and misuse in patients initiating long-term use of Schedule II opioid analgesics between 2017 and 2021. Study participants included in one or more analyses had been enrolled in selected insurance plans or health systems for at least one year, were free of at least one outcome at baseline, completed a minimum number of follow-up assessments, and either: 1) filled multiple extended-release/long-acting opioid analgesic prescriptions during a 90-day period (n=978); or 2) filled any Schedule II opioid analgesic prescriptions covering at least 70 of 90 days (n=1,244). Those included also had no dispensing of the qualifying opioids in the previous 6 months. Over 12 months: • approximately 1% to 6% of participants across the two cohorts newly met criteria for addiction, as assessed with two validated interview-based measures of moderate-to-severe opioid use disorder based on Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria, and • approximately 9% and 22% of participants across the two cohorts newly met criteria for prescription opioid abuse and misuse [defined in Drug Abuse and Dependence ( 9.2 ) ], respectively, as measured with a validated self-reported instrument. A retrospective, observational cohort study estimated the risk of opioid-involved overdose or opioid overdose-related death in patients with new long-term use of Schedule II opioid analgesics from 2006 through 2016 (n=220,249). Included patients had been enrolled in either one of two commercial insurance programs, one managed care program, or one Medicaid program for at least 9 months. New long-term use was defined as having Schedule II opioid analgesic prescriptions covering at least 70 days’ supply over the 3 months prior to study entry and none during the preceding 6 months. Patients were excluded if they had an opioid-involved overdose in the 9 months prior to study entry. Overdose was measured using a validated medical code-based algorithm with linkage to the National Death Index database. The 5-year cumulative incidence estimates for opioid-involved overdose or opioid overdose-related death ranged from approximately 1.5% to 4% across study sites, counting only the first event during follow-up. Approximately 17% of first opioid overdoses observed over the entire study period (5-11 years, depending on the study site) were fatal. Higher baseline opioid dose was the strongest and most consistent predictor of opioid-involved overdose or opioid overdose-related death. Study exclusion criteria may have selected patients at lower risk of overdose, and substantial loss to follow-up (approximately 80%) also may have biased estimates. The risk estimates from the studies described above may not be generalizable to all patients receiving opioid analgesics, such as those with exposures shorter or longer than the duration evaluated in the studies. The most common adverse reactions include: drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea, vomiting, and sweating. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Hikma Pharmaceuticals USA Inc. at 1-800-962-8364 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Mechanism of action

Mechanism of Action Codeine Codeine is an opioid agonist relatively selective for the mu-opioid receptor, but with a much weaker affinity than morphine. The analgesic and antitussive properties of codeine have been speculated to come from its conversion to morphine. The precise mechanism of action of codeine and other opiates is not known; however, codeine is believed to act centrally on the cough center. In excessive doses, codeine will depress respiration. Promethazine Promethazine is a phenothiazine derivative, which differs structurally from the antipsychotic phenothiazines by the presence of a branched side chain and no ring substitution. Promethazine possesses antihistamine (H 1 receptor antagonist), antiemetic, sedative, and anticholinergic effects. It prevents released histamine from dilating capillaries and causing edema of the respiratory mucosa. Phenylephrine Phenylephrine is a sympathomimetic amine that exerts a decongestant action on the nasal mucosa via alpha adrenergic receptor activity. It has the potential for excitatory side effects.

Available forms (9)

codeine phosphate 15 MG Oral Tablet codeine phosphate 30 MG Oral Tablet codeine phosphate 3 MG/ML Oral Solution codeine phosphate 5 MG/ML Oral Solution codeine phosphate 60 MG/ML Injectable Solution codeine phosphate 60 MG Oral Tablet codeine sulfate 15 MG Oral Tablet codeine sulfate 30 MG Oral Tablet codeine sulfate 60 MG Oral Tablet

NDC examples

0054-02430054-02450054-02440527-16980527-16990527-172765162-694

Indicated ICD-10 codes

R05

Treats these conditions

Cough Fainting

Source: openFDA + RxNorm · 2026

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