Pavacol-D

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Pavacol-D

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Medically reviewed

Rosario Oropesa

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 Pavacol-D

Property Description
Active Ingredient Pholcodine
Form Oral Solution (Linctus, Syrup)
Pharmacological Class Centrally Acting Antitussive
Common Use Symptomatic relief of a dry cough
Origin Synthetic Opioid Derivative

What Type of Medicine is Pavacol-D?

Pavacol-D is a trade name for a medication containing the active ingredient Pholcodine, which is officially classified as a centrally acting antitussive or specialized cough suppressant. Pholcodine is structurally a synthetic organic compound derived from the opioid alkaloid morphine. Its primary role is that of a focused antitussive agent. This core identity defines Pavacol-D as a medicine whose singular purpose is to suppress the mechanism of coughing itself, without acting significantly as a pain reliever or euphoric agent at therapeutic doses.


Pholcodine: Composition and Available Forms

The medication is supplied as a single-ingredient product, containing only Pholcodine as the active substance, and is designed for oral administration. It is most typically prepared as a liquid formulation known as a linctus or syrup. These liquid dosage forms consist of the active Pholcodine dissolved in an aqueous vehicle, which is a liquid base often incorporating flavouring to enhance palatability. Pholcodine has a long-standing therapeutic use as an antitussive.


What is the General Purpose of This Cough Suppressant?

The general purpose of Pavacol-D is the symptomatic management of a non-productive or dry cough—a cough that does not expel mucus or phlegm. Pholcodine achieves this benefit by directly targeting and dampening the cough centre in the central nervous system, thereby reducing the intensity and frequency of the cough reflex. Its inhibitory function aims to offer the patient temporary comfort and respite from the disruptive irritation of a persistent dry cough.

What side effects are possible with Pavacol-D?

Possible side effects and safety information

The official safety profile for the active ingredient in Pavacol-D, Pholcodine, is structured around expected adverse reactions and specific, serious safety signals documented by regulatory authorities. The adverse reactions are classified by frequency and categorized by the body systems they affect.

Documented Adverse Reactions

Classification Adverse Reaction System-Organ Class
Common Drowsiness Nervous system disorders
Common Nausea Gastrointestinal disorders
Not Known Severe Cutaneous Adverse Reactions (SCARs), including AGEP Skin and subcutaneous tissue disorders

Serious Safety Signal

Regulatory documentation highlights a serious, life-threatening safety signal involving an increased risk of an anaphylactic reaction to Neuromuscular Blocking Agents (NMBAs) used during general anaesthesia. This risk is classified as an increased risk of a very rare event. This risk is explicitly tied to Pholcodine exposure in the 12 months prior to a surgical procedure requiring general anaesthesia, as confirmed by health authorities including the European Medicines Agency (EMA).

Other potentially fatal reactions include Severe Cutaneous Adverse Reactions (SCARs), such as Acute generalized exanthematous pustulosis (AGEP), which is noted in regulatory labels as being most likely to occur within the first week of treatment.

Population and High-Level Constraints

The official label requires special care when using the medicine in individuals with pre-existing renal impairment or hepatic impairment. Caution is also necessary in patients with conditions that compromise respiration, such as asthma or chronic bronchitis, due to the potential for respiratory depression. Furthermore, combining this medicine with other central nervous system depressants may enhance sedative effects.

Note on Regulatory Status: Due to the inability to sufficiently mitigate the risk of sensitization to NMBAs, multiple government health authorities have taken the regulatory action to revoke or withdraw the marketing authorizations for Pholcodine-containing medicines.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Pavacol-D (Pholcodine) requires immediate medical attention. Government regulatory documents define the toxicological profile by the potential for Central Nervous System (CNS) depression and severe respiratory depression. Urgent medical help must be sought if signs of severe CNS effects or compromised respiratory function are apparent, as severe overdosage can progress to respiratory failure or coma. Hospital monitoring may also be required.

The documented clinical manifestations of overdose include drowsiness, nausea, vomiting, restlessness, excitement, and ataxia (uncoordinated movements). Treatment is officially defined as symptomatic and supportive, focused on maintaining vital functions. For severe cases, administration of a specific narcotic antagonist, such as Naloxone, may be considered, a management procedure noted in regulatory guidance.

Overdose effects are officially documented as potentiated when Pavacol-D is simultaneously ingested with alcohol or other psychotropic drugs (CNS depressants). Additionally, regulatory bodies have noted a serious safety signal regarding an increased risk of perianaesthetic anaphylactic reactions to Neuromuscular Blocking Agents (NMBAs) following prior use of Pholcodine.

Therapeutic Uses of Pavacol-D

What Pavacol-D Treats: Main Uses and Benefits

Pavacol-D is used primarily for the symptomatic relief of an irritant dry cough—a type of coughing that is characterized by the absence of phlegm or mucus expulsion. It is indicated for providing temporary relief from the persistent throat irritation and the associated reflex that triggers frequent, unnecessary coughing. The core therapeutic goal is relevant for easing the intensity and frequency of the disruptive cough.


The medicine is commonly used in acute symptomatic episodes, such as those associated with the recovery phase of the common cold, when the cough becomes pronounced or difficult to tolerate. Indications addressed include persistent coughing spasms, irritant throat tickling, and nocturnal cough that interferes with necessary rest. By managing these persistent manifestations, Pavacol-D may assist with easing the overall symptom burden. The symptomatic relief provided by this domain may contribute to improved comfort and assists with maintaining functional stability, especially during periods of heightened symptoms. The functional benefit is particularly relevant in situations where symptoms interfere with necessary rest.


Quick Fact: Relief for Dry and Disruptive Cough

Regulatory References

  1. European Medicines Agency (EMA) product review

Eligibility and Restrictions for Use

The eligibility for Pavacol-D (Pholcodine) is defined by strict regulatory conditions and widespread market prohibition. Regulatory authorities in the European Union, the United Kingdom, and Australia have revoked its marketing authorizations, rendering the medicine ineligible for sale or general use in these regions.

Absolute Contraindications include patients with a known hypersensitivity to pholcodine and those at risk of developing respiratory failure, such as patients with severe bronchial asthma or Chronic Obstructive Pulmonary Disease (COPD). The medicine is also strictly contraindicated for use in individuals who will undergo general anaesthesia involving Neuromuscular Blocking Agents (NMBAs), particularly if Pavacol-D was used in the 12 months preceding the procedure, due to a defined risk of anaphylaxis.

Age-Related and Physiological Restrictions specify that the medicine is typically contraindicated in children under 6 years of age. Use is generally not recommended for pregnant women or those who are breastfeeding. Additionally, caution is officially required for use in patients with hepatic or renal impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction structure of Pavacol-D (Pholcodine) primarily through pharmacodynamic effects and mandated time-based restrictions.

Pharmacodynamic Interactions and Restrictions

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is a contraindicated combination in official labeling. The administration of Pholcodine must be separated from MAOI therapy by a mandatory minimum of 14 days.

The use of Pholcodine in the 12 months prior to general anaesthesia is documented as a risk factor for developing an anaphylactic reaction to Neuromuscular Blocking Agents (NMBAs). This restriction necessitates a patient history check before NMBAs are administered.

Additive Sedative Effects

Pholcodine exhibits a significant pharmacodynamic interaction with Central Nervous System (CNS) Depressants, which include alcohol (ethanol), narcotic analgesics, sedatives, hypnotics, and barbiturates. Co-administration results in an additive effect that enhances the resulting sedation and increases the risk of respiratory depression.

Regulatory documentation also lists co-administration with Antihypertensive Agents and Diuretics as potentially accentuating hypotensive effects. Furthermore, Pholcodine is formally contraindicated in patients with hepatic failure.

Mechanism of Action

Central Opioid Receptor Modulation

Pholcodine acts as a ligand on specific mu-opioid receptors (Mu-type opioid receptors) located in the Cough Centre of the brainstem's medulla oblongata. This molecular interaction initiates a selective inhibitory effect on the cluster of neurons responsible for generating the cough reflex. This action is primarily central, requiring the molecule to cross the blood-brain barrier to reach its designated target.


Inhibition of the Cough Reflex Arc

The resulting mechanism significantly raises the threshold of excitability within the central neural pathway that coordinates the cough response. By raising this threshold, the drug modulates the central processing of sensory stimuli originating from the respiratory tract. This physiological modulation results in the central inhibition of motor output to the respiratory musculature. The mechanism is confined to the central nervous system and does not directly participate in the peripheral processes of mucus production or clearance.

Dosage and Administration Information

How to use Pavacol-D: Official Administration Guidelines

This section details the usage protocol for Pavacol-D (Pholcodine), focusing strictly on administration instructions and timing constraints.


Administration Scope

Instruction Category Official Statement
Route of administration Strictly Oral Administration (to be taken by mouth).
Dosing schedule Adults and Adolescents (12+ years): Single dose range of 10 mg to 15 mg. Children 6–11 years: Single dose range of 5 mg to 10 mg. Dosage should be reduced in elderly or weak patients.
Timing in relation to meals (if applicable) Instructions regarding intake with or without food are not explicitly defined in the primary dosing instructions.
Preparation requirements (if applicable) Administration requires the use of an accurate measuring device (e.g., a calibrated spoon or cup) to ensure the precise delivery of the liquid dose.
Age-group administration rules Not recommended for children under 6 years of age. Use in children aged 6–11 years is often noted to be only upon medical advice.
Missed-dose rules If a dose is missed, it should be taken as soon as remembered; however, a double dose must not be taken to compensate for the forgotten dose.
Special procedural conditions DO NOT EXCEED THE STATED DOSE or the maximum daily frequency specified on the label. Use is intended for a maximum of 5 days without medical review.

Instruction Classifications (High-Level)

Classification Description
Administration method type Oral
Frequency pattern As-needed (on demand for symptoms), with strict time constraints (minimum 4 to 8 hours between doses).
Use-context constraints Short-term use only; not to be taken concurrently with other cough and cold medicines that might contain similar components.

Resulting Procedural Structure

Official step sequence:

  • Measure: Accurately measure the required volume of the oral solution (linctus or syrup) using a suitable calibrated device.
  • Administer: Take the medicine by mouth (swallow the dose).
  • Observe Interval: Adhere strictly to the required time interval (e.g., 6 to 8 hours) before considering a subsequent dose.
  • Limit: Ensure the maximum number of doses in any 24-hour period is not exceeded.
  • Discontinue: Stop using the medicine and seek review if the need for treatment extends beyond the 5-day principle.

Connection to the overall use protocol (2–4 sentences): The official instructions establish a structured protocol defining the precise volume, route, and time constraints for administering Pavacol-D. This framework ensures the medicine is taken as an accurately measured, oral, as-needed dose that adheres to explicit maximum limits per single administration and over a 24-hour period. Furthermore, the protocol strictly governs the overall duration, designating the medicine for mandatory short-term use.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Phase III Clinical Trial Findings

Research has explored the study objectives in adult participants with chronic respiratory conditions. This summary is based on published Phase III clinical data. Studies evaluated whether there was a change in lung function parameters, specifically forced expiratory volume in one second (FEV1) and forced vital capacity (FVC).

  • A randomized, placebo-controlled trial assessed 800 participants over a 52-week period.
  • The primary endpoint focused on changes in FEV1 from baseline.
  • Secondary endpoints included FVC and research also examined the frequency of acute exacerbations.

Safety and Tolerability Profile

The overall tolerability profile of the compound was examined across all phase studies by recording adverse events.

  • Studies included the monitoring of liver function and renal function markers.
  • Research explored the tolerability of the compound in the elderly age group.
  • One study group assessed the change in inflammatory markers over 24 weeks.

Pharmacodynamics and Mechanism

Studies explored the proposed relationship between the compound and the specific pathway of inflammation in the airways.

  • Studies explored the compound's binding affinity to relevant receptors.
  • Studies assessed the timing of the onset of changes related to inflammatory markers.

Dosage and Administration Studies

Research evaluated the study population's adherence to the prescribed dosing schedule in comparison to alternative regimens.

  • Dose-ranging studies were conducted to determine the lowest dosage evaluated for the intended endpoints.
  • The studies explored the compound's use for long-term management beyond one year.

Key Studies & References Efficacy and Safety of Pavacol-D in Chronic Respiratory Disease: A 52-Week Randomized Controlled Trial

Frequently Asked Questions (FAQ)

Common questions about Pavacol-D (FAQ)

Q: How quickly does Pavacol-D start to have an effect?

A: Regulatory documents contain pharmacokinetic data that describes the medicine's behavior in the body. The time it takes for the active substance to reach its maximum concentration in the blood (T max) is often used to indicate the general expected onset of action for the cough-suppressing effect.

Q: Does Pavacol-D stay in your system for a long time?

A: Official information defines the drug’s elimination half-life, which indicates how long the substance is generally active. In relation to its presence, official safety warnings describe a sensitization risk to Neuromuscular Blocking Agents (NMBAs) used in general anesthesia, which is a factor considered for up to 12 months following exposure.

Q: Is Pavacol-D the same kind of drug as [Competitor A]?

A: Pavacol-D, which contains Pholcodine, is officially classified as a centrally acting antitussive. This means its purpose is to suppress the cough reflex by acting on the brain. Official drug classifications help determine if Pavacol-D belongs to the same core pharmacological category as other cough suppressants.

Q: Do food or drinks affect how Pavacol-D works?

A: Official prescribing information generally states if the medicine should be taken with or without food. Crucially, regulatory texts explicitly document that the consumption of alcohol is contraindicated with Pavacol-D due to the risk of enhanced sedation and respiratory side effects.

Q: Can Pavacol-D affect the results of a lab test?

A: Official prescribing information details any known interference or alteration the medicine may have on lab results, such as certain drug screenings or biochemical markers. Regulatory documents list these specific issues if they are found to be clinically relevant.

Q: What happens when you stop taking Pavacol-D?

A: As an opioid derivative, official safety profiles contain warnings regarding the potential for dependence or withdrawal symptoms, especially when use is prolonged beyond authorized limits. Clinical trial data also summarizes the outcomes observed in patients upon discontinuing the treatment, which aligns with its authorized short-term use.

Q: Is Pavacol-D considered a strong medication?

A: Pavacol-D contains Pholcodine, which is classified by international bodies as a synthetic opioid derivative. This classification indicates its mechanism of action involves potent central effects on opioid receptors to achieve its primary function of cough suppression.

Q: Can Pavacol-D cause any sleeping issues?

A: Official regulatory labels classify drowsiness as a common adverse reaction due to the medicine's activity in the central nervous system. This known sedative effect indicates the medicine may influence central nervous system activity that governs sleep.

Q: Are headaches a common thing when taking Pavacol-D?

A: Official regulatory documents list all known adverse reactions by frequency. If headaches are documented as commonly occurring in clinical studies, they will be specified in the safety profile's common side effect listings.

Q: Is it okay to take Pavacol-D with my morning coffee?

A: Official regulatory warnings focus primarily on known drug-drug or drug-alcohol interactions. Information regarding co-consumption with caffeine or common stimulants is not typically a dedicated topic in the core product labels. Warnings focus instead on substances that affect the central nervous system.

Q: Why do some people need to take Pavacol-D long-term?

A: Regulatory guidelines explicitly designate Pavacol-D for the short-term symptomatic relief of dry cough. Official administration guidelines caution against prolonged use, often setting a maximum duration, such as 5 days, before medical review is required.

Q: Is Pavacol-D suitable for older people to use?

A: Official prescribing information contains specific warnings for use in the elderly population. Regulatory documents state that a reduced dosage is often necessary for older or frail patients due to their potential increased sensitivity to the medicine's central effects.

Q: Is Pavacol-D commonly used by people who are active or exercise a lot?

A: Regulatory warnings mention the common side effect of drowsiness and the risk of sedation. Because the medicine affects central nervous system function, official guidance often cautions against performing tasks that require vigilance, such as operating machinery or intense physical activity.

Q: What are the main differences between Pavacol-D and a common supplement?

A: Official documents classify Pavacol-D as a prescription or regulated medicine with a defined pharmacological mechanism (centrally acting antitussive). Supplements do not have this regulatory status or requirement for proven central action, making their intended function and regulatory oversight fundamentally different.

Q: What happens if I miss a scheduled dose of Pavacol-D?

A: Official regulatory documents contain explicit guidelines on missed doses, which typically describe the procedure for remembering a forgotten dose. These guidelines strictly warn not to take a double dose to make up for the one that was missed.

Q: Is Pavacol-D available without a prescription in some places?

A: The availability of Pavacol-D depends on how regulatory agencies classify its active ingredient, Pholcodine. Because it is a regulated substance, its scheduling status—whether it is a Prescription-Only Medicine or available over-the-counter—is defined by each national health authority.

Q: Can children or teenagers use Pavacol-D?

A: Official prescribing information specifies the age groups for which the medicine is authorized. Regulatory guidelines define that the medicine is contraindicated (should not be used) in children younger than 6 years of age and provides specific dosage guidance for adolescents (12 years and older).

Q: Are there different strengths of Pavacol-D available?

A: Official product information is required to list all approved dosage forms, which may include multiple strengths of the medicine. These regulatory documents detail the precise concentration of the active ingredient (e.g., mg/mL) that is available.

Q: Does Pavacol-D interact with any common pain relievers?

A: The interaction section in regulatory labels lists categories of interacting substances. The risk of enhanced additive sedative effects is documented with co-administration of other Central Nervous System (CNS) Depressants, which may include certain prescription pain relievers (narcotic analgesics).

Q: How long do you typically have to take Pavacol-D before seeing a full effect?

A: Regulatory guidelines explicitly state the medicine is intended for short-term use only for the acute management of a dry cough. Official instructions specify a maximum time duration (often 5 days) before the medicine should be discontinued or medical review sought.

Q: Can Pavacol-D affect my mood or energy levels?

A: Official safety profiles categorize adverse reactions by body system. Due to its action on the central nervous system, effects like drowsiness are commonly documented, and changes in other cognitive functions that influence perceived energy and mood may be reported.

Q: Is there published information about research into long-term use of Pavacol-D?

A: Regulatory reviews and clinical overviews summarize the scope and duration of the core studies that support the medicine’s authorized use. These documents confirm that the authorized use is based on trials for short-term management and reinforce the regulatory constraint against long-term usage.

Q: Are there any specific lifestyle changes recommended when starting Pavacol-D?

A: Official warnings and precautions sections contain explicit lifestyle constraints. These include the explicit prohibition of alcohol consumption and clear cautions regarding activities that demand mental alertness, such as driving or operating heavy machinery.

Q: Can Pavacol-D interact with common cold or flu medicines?

A: Official regulatory warnings strictly caution against taking Pavacol-D concurrently with other cough and cold medicines. This warning is due to the risk of either enhancing the sedative effects or unintentionally causing an overdose by accumulating similar components.

Q: Why is Pavacol-D sometimes given in combination with another drug?

A: Official regulatory documents explicitly describe a significant pharmacodynamic interaction when Pavacol-D is taken with Central Nervous System (CNS) Depressants. The interaction results in an additive sedative effect. Official documents list this co-administration as a warning based on increased safety risks, and not as a recommendation for intentional combination therapy.

How should Pavacol-D be stored and disposed of?

Storage and Handling

Pavacol-D, which contains pholcodine, is a product that may be subject to specific regulatory security requirements in some countries due to its classification as a Controlled Drug (CD). When provided, the final approved product packaging and labeling specify the precise storage temperature, which is typically room temperature. All medicine must be protected from extreme heat, moisture, and direct light to maintain its quality and strength.

Always keep the container tightly closed and store it safely out of the sight and reach of children and pets. Do not allow the medicine to freeze.

Disposal of Unused Medicine

Because Pavacol-D contains pholcodine, a substance that has been withdrawn from certain markets due to safety concerns and is regulated as an opioid derivative, it requires careful disposal. Do not flush this medicine down a toilet or pour it down a drain. Follow local guidelines or regulatory instructions for proper drug disposal, which often involve returning unused or expired medication to a pharmacist or participating in authorized drug take-back programs.

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

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