Codeisan Jarabe

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Codeisan Jarabe

Method of action: Antitussive Opioid

Treatment option: Cough

Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Codeisan Jarabe

Codeisan Jarabe: Classification, Composition, and Origin

Property Description
Active ingredient Codeine (Codeine phosphate)
Form Jarabe (Syrup) / Oral solution
Pharmacological class Opioid analgesic, Antitussive
General purpose Relief of dry cough and mild-to-moderate pain
Origin Semi-synthetic opioid alkaloid

Codeisan Jarabe is an oral solution containing the active ingredient codeine, which is pharmacologically classified as both an opioid analgesic and a centrally acting antitussive. This specific medicine is prepared as a Jarabe (syrup), defining its liquid pharmaceutical dosage form intended for oral administration. Codeine, also known as methylmorphine, is defined as a semi-synthetic opioid alkaloid, derived from the opium poppy but chemically modified, placing it within the morphinan derivative group. Its formulation as a syrup, often with specific flavor profiles, differentiates it from solid forms, enhancing palatability for certain patient groups. Its status as a weak opioid relates to its role in central pain management and cough suppression.

What is the General Therapeutic Purpose of Codeine in this Medicine?

The general therapeutic purpose of Codeisan Jarabe is to offer symptomatic relief through the combined central actions of suppressing the cough reflex and modulating pain signals. This medicine’s function is dictated by the codeine component's ability to exert a dual effect. By acting directly on the cough center in the brain, it is used to reduce the urge to cough, providing relief during episodes of persistent, dry, non-productive coughs. Concurrently, its established mechanism as an analgesic provides the complementary benefit of managing mild to moderate pain through agonism of mu-opioid receptors. These centrally mediated physiological actions define the medicine's core utility, serving the overall purpose of reducing discomfort related to both pain and continuous coughing.

Regulatory References

  1. Codeine - StatPearls - NCBI Bookshelf

What side effects are possible with Codeisan Jarabe?

Possible Side Effects and Safety Information

The safety profile for codeine-containing syrup is officially documented to include adverse reactions primarily affecting the central nervous system and the gastrointestinal tract. This information is classified by frequency and system-organ class in regulatory documents.


Frequency-Classified Adverse Reactions

The following are examples of adverse reactions listed in official regulatory texts based on standard frequency classification:

Classification Examples of Reactions
Common (ge 1/100 to < 1/10) Nausea, vomiting, constipation, dizziness, sedation, and headache.
Frequency Not Known Drug dependence, drug tolerance, and respiratory depression.

Serious Adverse Reactions and Safety Constraints

Official labeling explicitly highlights the risk of Respiratory Depression, which is a life-threatening reduction in breathing function, and the potential for Drug Dependence and Tolerance associated with prolonged use.

Regulatory safety constraints restrict use in specific populations, notably those known to be CYP2D6 Ultra-Rapid Metabolizers and Breastfeeding Women, due to the heightened risk of toxicity. Caution is required concerning its use in older adults and patients with impaired respiratory function. The concurrent use of CNS depressants is also noted as a safety constraint due to the enhanced risk of central nervous system effects. Certain adverse reactions, such as nausea, may be more prominent during the initial phase of treatment or following dose increases.

Overdose and Emergency Response

Codeisan Jarabe overdose is officially documented to present primarily as severe Central Nervous System (CNS) and respiratory depression. Manifestations of overdose include excessive somnolence, stupor, and confusion, progressing rapidly to loss of consciousness or coma. A critical and formally documented clinical sign is miosis, or pinpoint pupils. The most serious life-threatening outcome is dose-related respiratory depression, characterized by slow and shallow breathing, which can rapidly lead to respiratory arrest, circulatory collapse, and potentially death.

Due to these severe and potentially fatal outcomes, any suspected or known Codeisan Jarabe overdose requires an immediate medical emergency response. Regulatory authorities mandate that individuals must seek immediate medical attention or contact emergency services immediately upon recognition of any concerning symptoms.

Management procedures officially described include necessary symptomatic and supportive treatment. These measures often involve maintaining a clear airway and providing assisted ventilation. Naloxone is specified as the opioid antagonist used to rapidly reverse the life-threatening CNS and respiratory depressive effects. Population-specific warnings emphasize that accidental ingestion of even one dose by children is particularly hazardous and can result in a fatal overdose. Additionally, individuals identified as ultra-rapid metabolizers are documented to be at an increased risk of severe toxicity.

Therapeutic Uses of Codeisan Jarabe

What Codeisan Jarabe Treats: Main Uses and Benefits

Codeisan Jarabe is commonly used across domains where short-term symptom management is appropriate, applied in clinical settings that involve acute or unstable symptom patterns. This medication is applied in addressing certain distressing symptoms, namely an irritating, non-productive dry cough and mild to moderate aches and pain. This is relevant when supportive symptom management is needed in contexts involving increased discomfort or tension.

The application of this medication is relevant in situations where patients experience these types of symptomatic discomfort. The syrup helps address symptom clusters that may become intense or disruptive during phases of increased distress, often associated with conditions involving episodic or fluctuating manifestations. It is applied in addressing symptoms related to heightened physiological activity, such as an irritating cough, which contributes to easing the overall symptom load. This is relevant for easing symptoms that create noticeable physiological strain. It is used when symptoms intensify and supportive relief is needed to maintain a sense of stability.


Quick Fact: Relief for Irritating Cough and Mild Pain

Regulatory References

  1. NIH MedlinePlus overview of codeine

Eligibility and Restrictions for Use

Population Eligibility and Contraindications

Codeisan Jarabe is regulated for use primarily in adults and adolescents 12 years of age and older. However, eligibility is strictly defined by an array of mandatory exclusions and restrictions cited in official governmental labeling.

The medicine is absolutely contraindicated in several populations. These include all children under 12 years of age, women who are breastfeeding, and patients known to be ultra-rapid metabolizers of codeine. Contraindication also applies to patients experiencing significant respiratory depression or acute asthma, those with paralytic ileus or gastrointestinal obstruction, and patients concurrently taking Monoamine Oxidase Inhibitors (MAOIs).

Use is not recommended for adolescents between 12 and 18 years of age who have existing respiratory problems. Furthermore, the label advises caution or close monitoring for patients with chronic organ impairments, such as compromised hepatic, renal, or cardiac function, or those with increased intracranial pressure or severe head injury.

What should I know about interactions with other medicines?

The official regulatory profile for codeine-containing medicines documents several clinically significant drug and substance interactions. These interactions are categorized by their risk, mechanism, and required administration constraints.

Formal Prohibitions and Timing Rules

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is formally contraindicated by regulatory agencies. This prohibition extends to use within 14 days of discontinuing an MAOI, establishing a mandatory period of separation.

Pharmacodynamic Interactions

Co-administration with Central Nervous System (CNS) depressants, including alcohol, is documented to result in an additive pharmacodynamic effect. This combination carries an increased official risk of profound sedation, respiratory depression, coma, and death. Use with other CNS depressants, such as benzodiazepines and other opioids, is also associated with this risk.

Concomitant use with certain serotonergic drugs is officially noted to increase the potential for Serotonin Syndrome. Additionally, combining codeine with anticholinergic medicines may lead to additive effects, increasing the risk of adverse gastrointestinal outcomes such as paralytic ileus.

Pharmacokinetic and Metabolic Interactions

Codeine is subject to metabolic interactions involving the Cytochrome P450 enzyme system. Medicines that inhibit the CYP2D6 enzyme may result in lower systemic active metabolite concentrations (morphine), an outcome documented in regulatory labels. Conversely, individuals who are CYP2D6 ultra-rapid metabolizers are recognized by regulatory bodies as a population with a heightened risk of adverse reactions, including life-threatening respiratory depression, due to higher-than-expected active metabolite levels. Interactions involving CYP3A4 inhibitors and inducers are also noted to alter the drug response.

Mechanism of Action

Central Modulation of the Cough Pattern Generator

The action of Codeisan Jarabe's active molecule is initiated by its classification as a prodrug that requires enzymatic conversion. It is first metabolized by the liver enzyme Cytochrome P450 2D6 ( CYP2D6) into its primary active metabolite, Morphine. This enzymatic step is required to generate the compound responsible for the majority of the drug's effect.

The active metabolite then engages the mu-opioid receptors ( MOR) located in the brainstem, which houses the Cough Pattern Generator. This binding initiates an inhibitory signal cascade, modulating central neural pathways to reduce neuronal excitability. This mechanism directly dampens the activity of this neural network, contributing to an elevated signal threshold for the involuntary cough response. This action influences the dynamics of the targeted neural pathways and is the core physiological mechanism of the drug.

Dosage and Administration Information

Administration Guidelines for Codeisan Jarabe

Codeisan Jarabe is a medicine intended for oral use, taken by mouth. Its administration adheres to established dosing instructions to minimize risks associated with codeine-containing products, as codeine is a centrally acting weak analgesic that can also suppress cough.

Dosing and Frequency

For adults, the recommended single dose is 15 milliliters (one tablespoon). The dose is individualized for each patient, using the lowest effective dose to manage symptoms. This dose may be repeated up to four times a day, with a minimum interval of not less than 6 hours between doses. Treatment is symptom-driven, and the dosage is reduced as symptoms subside. The duration of treatment does not exceed three days.

Age Group Recommended Single Dose Maximum Frequency Special Conditions
Adults 15 milliliters (one tablespoon) Up to 4 times a day (Min 6-hour interval) Use for a maximum of 3 days.
Children under 12 years Contraindicated N/A Due to the risk of serious side effects, including respiratory depression.
Elderly Population Individualized (may require reduction) Increased administration interval Dose adjustment may be necessary due to slower codeine elimination.

Procedural Information

The syrup requires no special preparation (e.g., dilution or shaking) and is taken orally. The standard procedure for a forgotten dose is to skip the missed dose and continue with the regular dosing schedule, without taking a double dose to compensate. It is not explicitly stated whether the syrup must be taken with or without food. Given the potential for drowsiness, patients are advised to avoid driving or operating machinery during treatment until they know how the medication affects them.


Recent Clinical Evidence

Recent Clinical Evidence Overview

Codeisan Jarabe contains codeine phosphate hemihydrate, which is classified as an opium alkaloid cough suppressant. Its mechanism of action is understood to involve suppressing the cough reflex through a direct effect on the cough center in the brain's medulla, which is related to its conversion to morphine via the CYP2D6 enzyme.

Efficacy Data from Studies

Clinical data evaluating the antitussive effectiveness of codeine, particularly for common cold-related coughs, remain limited and mixed.

  • Adult Trials: Early placebo-controlled trials in adults with acute cough due to upper respiratory tract infections (URTIs) have shown inconsistent results. Some studies reported no statistically significant difference between codeine (at doses up to 120 mg/day) and placebo in reducing cough symptoms. Other comparisons have found codeine to be equally effective as non-narcotic antitussives like dextromethorphan in relieving chronic cough symptoms.

Safety Profile and Limitations

Clinical data consistently report on the safety profile, which includes commonly observed adverse events such as drowsiness, nausea, constipation, and dizziness. The risk of serious side effects, particularly respiratory depression, is linked to the unpredictable rate at which individuals metabolize codeine into morphine (known as ultra-rapid metabolism).

  • Pediatric and Metabolic Risk: Regulatory reviews have concluded that the risks outweigh the benefits for cough suppression in children under 12 years of age. Codeine is also restricted for use in individuals of any age who are known to be ultra-rapid metabolizers or in patients undergoing tonsillectomy or adenoidectomy for obstructive sleep apnea (OSA), due to increased susceptibility to respiratory problems. These restrictions reflect the need for caution based on the analysis of post-marketing and clinical data.

Frequently Asked Questions (FAQ)

Common questions about Codeisan Jarabe (FAQ)

Q: How is Codeisan Jarabe typically different from non-codeine cough syrups?

Codeisan Jarabe differs from some other cough syrups because it contains codeine, which is classified as an opioid. According to regulatory information, codeine works centrally in the brain after it is converted into morphine. This action directly dampens the cough reflex, providing relief through a different mechanism than non-opioid cough suppressants.


Q: Is Codeisan Jarabe contraindicated for all individuals with pre-existing respiratory conditions?

Official labeling states that this medicine is absolutely contraindicated for people with acute or severe asthma or those experiencing significant respiratory depression. For individuals with other pre-existing respiratory conditions, use may still require caution and close monitoring. It is described that eligibility depends on the specific nature and severity of the lung or breathing problem.


Q: What does it mean to be an 'ultra-rapid metabolizer' in the context of this medicine?

An ultra-rapid metabolizer refers to an inherited genetic variation where the liver enzyme, called CYP2D6, converts codeine into its primary active drug, morphine, at a much faster rate. Official information indicates that this process can result in higher-than-normal levels of morphine in the body, which carries an increased risk of severe adverse reactions. For this reason, official labeling lists ultra-rapid metabolizers as a population for whom the medicine is contraindicated.


Q: Are there any specific risks associated with using Codeisan Jarabe while breastfeeding?

Official regulatory documents state that Codeisan Jarabe is contraindicated for women who are breastfeeding. This safety constraint exists because the active medicine and its metabolites can pass into breast milk. This exposure carries a heightened risk of toxicity for the infant, which includes excess sleepiness and severe breathing problems.


Q: Is it safe to combine Codeisan Jarabe with cold or flu medications containing antihistamines?

Regulatory texts warn against combining Codeisan Jarabe with other medicines that cause drowsiness, such as Central Nervous System (CNS) depressants. This is especially relevant for some cold and flu medications, including certain antihistamines. This co-administration is noted to increase the risk of adverse effects like profound sedation and respiratory depression.


Q: Why is constipation listed as a common expected side effect of this type of medication?

Official documents list constipation as a common side effect because codeine is an opioid. Opioid medicines are known to slow the natural motility, or movement, of the digestive tract. This slowing process allows the body to remove more water from the stool, which can result in hard, dry stool that is difficult to pass.


Q: What signs or symptoms indicate a severe adverse reaction, such as a serious breathing problem?

According to official safety announcements, signs of a serious breathing problem, such as respiratory depression, include unusual or extreme sleepiness and confusion. Other critical signs are shallow or difficult breathing, and a pale or blue tint to the lips, skin, or fingernails. Regulatory guidance directs that emergency medical help is required if these signs occur.


Q: What should I do if I accidentally take Codeisan Jarabe with a medication that can cause drowsiness?

Official safety guidance states that if there is suspicion of an accidental overdose or a severe interaction with a Central Nervous System (CNS) depressant, the necessary safety protocol requires immediate contact with emergency medical services. Severe effects of this combination can include profound sedation and breathing problems.


Q: Can Codeisan Jarabe affect male fertility according to clinical data?

Official information related to fertility indicates that for short-term use and within the recommended dosage levels, there is no evidence that the use of codeine reduces fertility in men or women.


Q: How long after taking Codeisan Jarabe can I expect the cough relief effect to begin?

The relief effect of this medicine generally begins relatively quickly after administration. Based on pharmacokinetic data, the onset of action is typically expected within 15 to 30 minutes after taking the dose.


Q: Does Codeisan Jarabe contain any ingredients that may be a concern for people with diabetes?

Yes, as a syrup formulation, the product contains sucrose, which is a type of sugar. According to the official product documents, the recommended adult dose (15 mL) contains 7.5 grams of sucrose. Individuals with diabetes should be aware of this carbohydrate content as it relates to their overall dietary intake.


Q: Can taking Codeisan Jarabe lead to a positive result in an opioid drug control test?

Yes, the active drug in Codeisan Jarabe and its primary metabolite, morphine, are classified as opiates. Standard initial drug screening tests are designed to detect these compounds. Therefore, taking this medicine can lead to a positive screening result, which typically requires a follow-up confirmatory test.


Q: What are the documented symptoms of withdrawal if Codeisan Jarabe is stopped abruptly after prolonged use?

Official information states that if Codeisan Jarabe is stopped abruptly after prolonged use, a patient may experience withdrawal symptoms. Documented symptoms can include physical manifestations such as stomach cramps, fever, nausea, runny nose, sweating, and tremors, as well as symptoms like anxiety and trouble sleeping.


Q: Is Codeisan Jarabe classified as a narcotic or a controlled substance?

Codeisan Jarabe contains codeine, which is classified as an opioid. Due to the presence of codeine, products containing this ingredient are regulated as controlled substances in most jurisdictions. The precise legal classification (or schedule) can vary between countries depending on the concentration and specific formulation.


Q: Is Codeisan Jarabe available over the counter or does it require a prescription?

The dispensing status of Codeisan Jarabe and similar codeine-containing medicines is determined by local regulatory authorities. This means that the product’s availability—whether it is over-the-counter (OTC) or requires a formal prescription—varies significantly depending on the country or region.


Q: Does Codeisan Jarabe carry a Boxed Warning or a similar high-level safety alert?

Yes, in the United States, codeine-containing products carry the FDA’s strongest safety alert, known as a Boxed Warning. This high-level warning concerns the risk of life-threatening respiratory depression, especially in specific populations such as children and those who are ultra-rapid metabolizers of the drug.


Q: What are the known risks of using Codeisan Jarabe during pregnancy?

Regulatory guidance on using codeine during pregnancy allows for short-term use in certain situations. However, official information warns that long-term or late-term use is not generally recommended. Prolonged exposure during pregnancy carries a risk of the infant developing Neonatal Opioid Withdrawal Syndrome (NOWS) after birth.


Q: Is it true that Codeisan Jarabe may increase the risk of symptoms like confusion and strange dreams?

Confusion is noted in official safety information, often as a potential sign of overdose or exposure to higher-than-expected levels of the active metabolite. Separately, unusual dreams are also listed as a possible side effect associated with the use of codeine.


Q: What excipients or inactive ingredients in the syrup formulation might be important to know about?

The official product documents include a list of inactive ingredients, or excipients, used in the syrup formulation. Among the noted components are sucrose (a type of sugar) and sodium benzoate (E-211). These ingredients are generally noted for patient awareness, especially in relation to allergies or dietary constraints.

How should Codeisan Jarabe be stored and disposed of?

Storage and Disposal Requirements

Official labeling for Codeisan Jarabe (codeine phosphate syrup) requires specific handling to maintain stability and ensure safety. The medicine does not require special conservation conditions but must be stored at room temperature, protected from excess heat and moisture. It must be kept in the original container and sealed tightly closed.

Safety and Discarding

Due to its contents, the most critical requirement is to store the syrup out of the sight and reach of children in a secure location, utilizing its child-resistant closure. Do not use the medicine after the expiration date. For disposal, unused or expired product must not be thrown into household trash or wastewater; it must be taken to an official pharmaceutical waste collection point.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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