Cocillana

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Cocillana

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Medically reviewed

Marina Burgos

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 Cocillana

Property Description
Active ingredient Ethylmorphine, Cocillana liquid extract
Form Oral solution, Syrup, Cough mixture
Pharmacological class Opioid Antitussive Agent
Common use Symptomatic relief of cough
Origin Semi-synthetic (Ethylmorphine), Botanical (Cocillana extract)

Cocillana: Classification as an Opioid Antitussive Combination

Cocillana is typically provided as an oral solution or syrup, classified as a combination product within the opioid antitussive agent pharmacological class. This preparation is a cough suppressant defined by its two main components: the central-acting drug Ethylmorphine and the botanical substance, Cocillana liquid extract. This dual formulation, found under trade names such as Cosylan or Cocillana-Etyfin in various markets, is utilized for the symptomatic mitigation of cough.


Composition and Origin: The Role of Ethylmorphine and Botanical Extract

The core antitussive agent is Ethylmorphine (also known as codethyline), which is a semi-synthetic mu-type morphinane alkaloid chemically derived from the naturally occurring compound Morphine. The ingredient exerts a central action on the cough reflex. The second constituent, Cocillana liquid extract, is botanical in origin, derived from the dried bark of the Guarea rusbyi plant. The formulation’s origin is a blend of chemical synthesis and herbal components.


General Purpose and High-Level Action in Symptom Mitigation

The general purpose of this specific formulation is the symptomatic mitigation of a persistent, irritating cough, such as one experienced during a common cold. The Ethylmorphine component works by exerting central cough suppression, raising the threshold needed to trigger the cough reflex. Ethylmorphine functions as an analgesic and antitussive agent due to its pharmacological activity. Concurrently, the Cocillana extract is included for its expectorant properties, which assist in thinning and loosening respiratory secretions. This combined action is utilized to soothe and provide relief from acute cough symptoms.

What side effects are possible with Cocillana?

Possible Side Effects and Safety Information

The regulatory safety profile for this combination product, driven by the opioid antitussive agent Ethylmorphine, defines the expected adverse reactions and constraints. Adverse effects are commonly grouped by the body systems they affect.

Documented Adverse Reactions and Organ Systems

Adverse reactions are formally classified into several System-Organ Classes as noted in official regulatory documents:

  • Central Nervous System (CNS) Disorders: Commonly reported effects include drowsiness (sedation) and vertigo (dizziness).
  • Gastrointestinal Disorders: Expected reactions include nausea, vomiting, and constipation.

Serious Adverse Reactions and Safety Constraints

The opioid component carries a recognized risk of serious adverse reactions, including life-threatening respiratory depression. Furthermore, the regulatory label notes the potential for chemical dependence or addiction, a risk specifically associated with long-term use and high exposures.

Population-Specific Limitations:

The medication has specific constraints for high-risk groups. It is generally not recommended for children and adolescents with compromised respiratory function, including those with obstructive sleep apnoea syndrome or following specific surgeries (e.g., tonsillectomy/adenoidectomy). Caution is also required for patients with pre-existing obstructive airway diseases, such as acute bronchial asthma.

Interacting Substances:

The label indicates that co-administration with other Central Nervous System (CNS) depressants (e.g., sedatives, certain antihistamines, other opioids) presents a significant safety limitation, potentially leading to profound sedation and severe respiratory compromise.

Overdose and Emergency Response

Overdose on Cocillana is primarily associated with the toxic effects of its opioid component, codeine. Overdose occurs when significantly more than the prescribed amount is consumed, leading to severe and potentially fatal outcomes.

Documented Overdose Manifestations

Physiological System Signs and Symptoms (as per regulatory labels)
Central Nervous System Loss of consciousness, coma, profound confusion, severe drowsiness, unresponsiveness.
Respiratory System Slowed, shallow, or labored breathing; long pauses between breaths; no breathing (respiratory arrest); bluish fingernails and lips (cyanosis).
Cardiovascular System Low blood pressure, weak pulse, cold and clammy skin.

When Immediate Medical Help is Required

Official regulatory information emphasizes that an overdose is a medical emergency requiring immediate attention. Upon suspicion of overdose or if life-threatening signs such as difficulty breathing, inability to wake up, or slow heartbeat occur, emergency services must be contacted immediately. Prompt treatment, including the administration of the reversal agent naloxone, is necessary to counteract the severe central nervous system and respiratory depression.

Population-Specific Overdose Notes

Regulatory documents highlight that children are particularly susceptible to the toxic effects of codeine, including severe breathing problems and death, even at low doses. The risk is also increased in individuals known to be ultra-rapid metabolizers of the drug.

Therapeutic Uses of Cocillana

What Cocillana Treats: Main Uses and Benefits

Cocillana is commonly used for symptomatic relief and supportive care in conditions associated with acute or disruptive episodes where symptoms related to physical discomfort may interfere with daily functioning. The medication is applied when heightened symptoms may require short-term symptomatic assistance to ease the overall symptom burden.

This formulation is used for cough and congestion management as part of the symptomatic treatment for conditions such as common colds, acute bronchitis, and tracheitis.

Symptom Domains and Benefits

Cocillana helps address symptom clusters that may become intense or disruptive, specifically irritating cough and airway congestion caused by thick phlegm. This contributes to improved comfort during periods of heightened symptoms.

“It may assist with managing the symptom intensity of a persistent cough, offering support that helps patients cope more steadily with the episode.”

Quick Fact: Relief for Cough and Congestion

The medication may assist with maintaining comfort during periods when symptoms are more noticeable by contributing to easing the symptom load, making it relevant when symptoms create noticeable physiological strain during acute episodes.

Regulatory References

  1. Health Canada Summary Safety Review on Codeine for Cough

Eligibility and Restrictions for Use

Who Can and Cannot Use Cocillana?

The population eligibility for Cocillana, an opioid antitussive combination, is strictly defined by regulatory documents, particularly concerning its active component, Ethylmorphine. Eligibility rules define who is absolutely prohibited from use and who requires conditional use under caution.


Official Eligibility Restrictions

Classification Population Group or Condition
Contraindicated Children under 2 years of age.
Contraindicated Patients known to be ultra-fast metabolisers of CYP2D6.
Contraindicated Children (0–18 years) with Obstructive Sleep Apnoea Syndrome (OSAS) or post-tonsillectomy/adenoidectomy.
Contraindicated Patients with Respiratory Depression or Acute/Severe Bronchial Asthma.
Not Recommended Women who are breastfeeding (Lactation).
Caution Required Patients with severe hepatic or severe renal impairment.
Caution Required The elderly and those with a history of drug dependencies.

Official Eligibility Statements

Use is contraindicated for specific pediatric groups and individuals with known metabolic or acute respiratory conditions as defined in regulatory labeling. The medicine is not recommended for women who are breastfeeding. Caution is mandated for the elderly and those with organ impairment, requiring restrictive consideration by regulatory standards.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Cocillana is primarily defined by its opioid component, Ethylmorphine, and is structured around two main categories of risk: pharmacodynamic reinforcement and pharmacokinetic alteration.

Pharmacodynamic Reinforcement

Co-administration with Central Nervous System (CNS) Depressants is subject to regulatory warnings. This combination can result in profound sedation and respiratory depression due to additive effects. This category includes drug classes such as Benzodiazepines, Barbiturates, other Opioids, and some Sedative Antihistamines. The use of Alcohol is also restricted as it is classified as a CNS depressant that significantly reinforces these risks.

Pharmacokinetic and Metabolic Alterations

Formal restrictions exist concerning enzyme-mediated interactions. The concurrent use of Monoamine Oxidase Inhibitors (MAOIs) is explicitly prohibited. Furthermore, agents that inhibit the Cytochrome P450 2D6 (CYP2D6) enzyme may decrease the conversion of Ethylmorphine to its active metabolite, potentially reducing the intended antitussive effect. The use of Serotonergic Drugs concomitantly may result in the pharmacodynamic toxicity known as Serotonin Syndrome.

Population-Specific Interaction Notes

Official labeling includes a formal contraindication for patients identified as ultra-fast metabolizers of CYP2D6. This genetic status leads to excessive systemic exposure to the active metabolite, increasing the risk of adverse effects.

Mechanism of Action

Central Regulation of Cough Signal Transmission

This domain is centered on the mu-opioid receptor (MOR) in the brainstem's medullary cough center. The active component acts as an agonist, inhibiting the excitability of key neurons through hyperpolarization. This mechanism serves to elevate the cough threshold, thereby resulting in a reduction of afferent signaling to the central nervous system.


Peripheral Reflexive Bronchial Secretion Modulation

This action is triggered by the botanical extract's reflex stimulation of sensory afferents in the gastric mucosa, activating the Gastro-Pulmonary Vagal Reflex. This cascade increases the efferent output to the airways, leading to the increased volume and fluidity of bronchial secretions. This results in the physiological consequence of facilitating mucociliary clearance.


Coordinated Mechanistic Synergy

The overall effect relies on a complementary dual action. The central mechanism limits the activation frequency of the central cough reflex, while the peripheral mechanism modulates the physical state of the mucus. This coordinated approach ensures both the dampening of an overactive reflex and the alteration of secretion properties, which influences the efficiency of airway clearance during subsequent activation of the cough reflex.

Dosage and Administration Information

How to Use Cocillana

Cocillana, an oral solution containing the opioid antitussive agent ethylmorphine, is administered according to standard protocols for short-term symptomatic use. The course of treatment is not intended for long-term application.


Administration Guidelines

Administration is confined exclusively to the oral route using the liquid solution format. Dosing frequency is generally limited to three to four times per day, used on an as-needed basis for symptoms, with a maximum of four doses permissible within a 24-hour period. Prescribed doses may be taken irrespective of meal times, as administration can occur with or without food.


Dosing and Procedural Requirements

For adults, the typical single volume administered is 5 to 10 mL of the oral solution. To ensure the accuracy of this volume, protocols call for the use of an accurate measuring device—such as a dispensing syringe—when preparing each dose. Furthermore, the solution requires shaking before use to ensure component distribution.

Population Constraints

Specific constraints apply to certain populations. The use of this combination product is not recommended for children under 2 years of age. While weight-based dosing schedules exist for older pediatric groups, adherence to specified age and weight limits is a component of the administration parameters.

Recent Clinical Evidence

Cocillana: Recent Clinical Evidence

The ingredient Cocillana is derived from the dried bark of the tree Guarea rusbyi, native to Central and South America. Historically, it has been used in various medicinal preparations, particularly cough syrups, due to its expectorant properties—a traditional use that suggests it may help loosen phlegm and facilitate productive coughing.


Scientific and Regulatory Status

Cocillana bark contains several natural compounds, including tannins and resins, and was historically thought to contain an alkaloid referred to as rusbyine. However, the precise identity of the active principles remains uncertain, and studies have shown variability in the composition of commercial Cocillana bark.

  • Efficacy Evidence: Current scientific literature indicates a lack of sufficient, reliable evidence from modern randomized controlled trials (RCTs) to definitively rate the effectiveness of Cocillana bark extract alone for treating coughs, bronchitis, or other respiratory conditions. Its use in many proprietary cough formulas is based primarily on long-standing traditional applications.
  • Safety Profile: Due to a similar lack of comprehensive clinical studies, there is insufficient reliable information to fully determine the safety of Cocillana bark extract when taken orally, or to identify the full range of potential side effects. The FDA and similar regulatory bodies have not established an appropriate range of doses, which requires individuals to consult a healthcare professional regarding its use.

Summary of Clinical Findings

Area of Evaluation Current Research Status
Cough/Expectorant Effects Insufficient evidence from modern RCTs to rate effectiveness. Traditional use suggests benefit as an expectorant.
Safety and Side Effects Insufficient reliable information to determine safety or potential side effects.
Dosing Recommendations No established, scientifically determined appropriate dose range.

In some historical and commercial preparations, Cocillana extract is compounded with other active ingredients, such as antitussives or other expectorants, complicating the interpretation of its singular therapeutic effect.

Key Studies & References

  1. Guarea rusbyi (Rusby's Lignum Vitae): Botanical and Chemical Information

Frequently Asked Questions (FAQ)

Common questions about Cocillana (FAQ)

Q: How quickly should I expect to feel the effects of Cocillana?

A: Studies related to the active opioid component, ethylmorphine, indicate that the drug reaches its maximum concentration in the blood plasma around 45 minutes after an oral dose. This time frame is related to when the active component reaches its peak concentration, which may contribute to the timing of the maximum effect.

Q: What is the typical duration of effect for Cocillana?

A: While a specific duration of action for a single dose is not officially defined, regulatory administration guidelines generally limit the dosing frequency to a maximum of four times per day. This restriction reflects that the drug is intended for short-term symptomatic use, consistent with a dosing frequency that is typically spaced several hours apart.

Q: Is Cocillana the same as regular cough syrup?

A: Official labeling classifies this product as a combination cough preparation. Unlike many 'regular' cough syrups that contain only one active ingredient, this formulation contains both an opioid antitussive agent (ethylmorphine) and a botanical expectorant extract (Cocillana). This blend of components defines its dual-action profile.

Q: Can Cocillana be taken at night?

A: The official documentation lists common adverse reactions that include drowsiness and dizziness. It is important for individuals to be aware of these potential effects when determining the timing of administration.

Q: Can Cocillana affect my ability to operate machinery?

A: Yes, official safety information and warnings caution that the product may impair one's abilities. Because side effects can include drowsiness and dizziness, caution is generally advised regarding activities that require full mental alertness, such as driving or operating machinery.

Q: How is Cocillana different from codeine-based cough medicines?

A: The opioid component in this particular formulation is ethylmorphine, which is a mu-type morphinane alkaloid chemically related to codeine, but it is a distinct chemical entity used for cough suppression. Both are generally classified as opioid antitussives.

Q: Are there known interactions between Cocillana and herbal supplements?

A: Regulatory documents often highlight that standard prescription and over-the-counter medications are subject to extensive interaction testing, whereas general herbal remedies and supplements are not always evaluated in the same way. Official labeling often reminds patients that caution may be necessary when combining medications and supplements.

Q: Does Cocillana have a defined maximum duration of use in official guidelines?

A: Regulatory information defines the product as being for short-term symptomatic use only. Furthermore, general prescribing guidelines for opioid antitussives used in acute cough conditions often suggest limiting the duration of treatment to 7 days or less.

Q: Does Cocillana contain alcohol or sugar?

A: The presence of inactive ingredients (excipients) can vary by the specific product formulation. However, some available formulations of the oral solution officially state that they contain a small amount of ethanol (alcohol) as a component.

Q: Why is Cocillana not recommended for people with certain heart conditions?

A: The official contraindications primarily focus on conditions related to the respiratory system, such as acute/severe bronchial asthma and respiratory depression. While general heart conditions are not explicitly listed, these respiratory constraints are important to consider because they can have effects that impact cardiovascular function.

Q: Is Cocillana available over-the-counter or does it require a prescription?

A: Due to the presence of the active opioid component, ethylmorphine, the preparation is classified as a prescription-only medicine in most countries. Its status is defined by national laws governing the sale and distribution of controlled substances.

Q: What is the general safety classification of Cocillana?

A: The drug's safety classification is primarily determined by its opioid ingredient, ethylmorphine. This component is generally recognized by international and national bodies as a narcotic or controlled substance and is subject to restrictive scheduling.

Q: What does the research evidence say about Cocillana for wet cough?

A: The Cocillana extract component is historically recognized for its expectorant properties. These properties are intended to help thin or loosen phlegm and facilitate a productive cough (often called a 'wet' cough). However, modern, high-quality clinical evidence for the effectiveness of the extract alone is noted as insufficient.

Q: Can Cocillana cause skin rash or itching?

A: While not always listed as a common side effect for this specific combination product, the general class of opioid medications can sometimes cause reactions like itching or skin flushing. This is generally understood to be related to the opioid's potential to cause the release of histamine in the body.

Q: Is there a known antidote if too much Cocillana is taken?

A: Since the product contains the opioid component ethylmorphine, an overdose involving significant respiratory depression would follow the standard clinical treatment for opioid toxicity. This typically involves the administration of an opioid antagonist, such as naloxone.

Q: Is Cocillana considered a controlled substance?

A: Yes, due to the inclusion of the opioid agent ethylmorphine, the preparation is officially classified as a controlled substance under various national drug regulations. This designation governs how it is stored, distributed, and prescribed.

Q: Can Cocillana affect the results of drug screenings?

A: Studies on the metabolism of the active component indicate that ethylmorphine is converted by the body into morphine. Since morphine is a common substance tested for in standard opioid drug screenings, this conversion should be considered.

Q: What is the function of the secondary ingredients in Cocillana?

A: Besides the two main active components, some secondary ingredients may include other plant extracts, such as senega, which are traditionally included for their own recognized expectorant properties. Other inactive ingredients (excipients) are necessary for preservation, coloring, or flavoring of the solution.

Q: Has Cocillana been withdrawn from any markets due to safety concerns?

A: Regulatory databases indicate that some historical formulations of Cocillana cough mixtures with similar active ingredients have been subject to cancellation or withdrawal in certain countries. This is often part of ongoing regulatory reviews concerning combination products containing opioids.

Q: Is Cocillana widely recognized by major health authorities?

A: Yes, the active component, ethylmorphine, is formally recognized by the World Health Organization (WHO). It is classified in the therapeutic chemical system under the ATC code R05DA01, confirming its inclusion as an official cough suppressant agent.

Q: Does Cocillana interact with common pain relievers like ibuprofen?

A: Official guidelines for the active metabolite, morphine, generally indicate that it is considered safe to take with common non-opioid pain relievers such as ibuprofen or paracetamol. Official information typically does not include an explicit warning against this combination.

Q: Does Cocillana interact with blood thinners?

A: Isolated case reports related to formulations containing Cocillana and ethylmorphine have noted a potential to increase the effect of certain blood thinners, such as warfarin. It is noted that specific monitoring may be necessary if the medicine is used alongside these anticoagulants.

Q: Do studies suggest Cocillana helps with throat irritation?

A: The overall purpose of the formulation is the effective symptomatic mitigation of a persistent, irritating cough. Because many coughs are triggered by irritation in the throat or bronchial area, the cough-suppressing action is intended to provide relief from this kind of irritation.

How should Cocillana be stored and disposed of?

How to Store and Dispose of Cocillana

Storage and disposal instructions for Cocillana (oral solution/syrup) are defined by official regulatory labeling to maintain stability and ensure safety.


Official Storage Requirements

Requirement Instruction
Temperature Store below 25 C (77 F), at controlled room temperature.
Handling Do not freeze. Protect the medicine from light and moisture.
Container Keep in the original container and ensure the bottle is tightly closed.
Safety The product must be stored out of the sight and reach of children.

Disposal Instructions

Official instructions require that unused or expired medicine be disposed of according to local regulatory requirements, often through drug take-back programs. Do not throw into wastewater (e.g., flush down the toilet) unless the product labeling explicitly instructs otherwise.

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

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