Perebron

Quick links to important sections

Perebron

Method of action: Cough And Cold Preparations

Treatment option:

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 Perebron

Property Description
Active ingredient Oxolamine (as Citrate or Phosphate)
Form Oral Syrup, Tablets
Pharmacological class Antitussive Agent (Cough Suppressant)
Common use Symptomatic cough relief
Origin Synthetic

Perebron is a specific trade name for a medication whose sole active component is the chemical substance Oxolamine, belonging to the high-level Pharmacological Class of Antitussive Agents. The fundamental purpose of this drug is to provide effective symptomatic relief by suppressing the cough reflex in the respiratory system.

The core chemical entity, Oxolamine, is of Synthetic origin, having been entirely created through chemical synthesis rather than being derived from a natural source. This positions the compound for use in patients, including children, experiencing persistent dry or irritating coughs. Perebron is often presented in a Syrup form, which is a common presentation for this patient group.

Composition, Forms, and Therapeutic Type

Perebron is consistently identified as a Single-ingredient product, containing only the active compound Oxolamine, typically presented as pharmaceutical salts, such as Oxolamine Citrate or Oxolamine Phosphate, to facilitate optimal oral absorption. It is formulated into primary Oral Dosage Forms, which include both liquid Syrup and solid Tablets, designed exclusively for Oral administration.

The active component works through a principle known as central inhibition, which means it acts on the central nervous system to dampen the sensitivity of the cough center located in the brainstem, thereby quieting the urge to cough. A key characteristic of the Oxolamine compound is its classification as a Non-narcotic antitussive, providing targeted symptomatic relief without the addictive potential often associated with opioid-based suppressants. This therapeutic type offers a clear general benefit: to interrupt the irritating and unproductive cycle of coughing, leading to greater respiratory comfort.

What side effects are possible with Perebron?

Possible Side Effects and Safety Information

Perebron, which contains the active ingredient oxolamine, is a cough suppressant that is classified as a prescription drug in some countries, such as New Zealand. Oxolamine is not approved for use by the U.S. Food and Drug Administration (FDA) and may be marketed internationally under different trade names.

Like all medications, oxolamine can cause side effects. These reactions are typically mild and may affect the nervous system or the gastrointestinal tract. However, the specific frequency of these adverse reactions (e.g., common, uncommon) is not standardized across all available reports.

Key Potential Side Effects

System-Organ Class Reported Reactions (Frequency Not Defined)
Nervous System Dizziness, drowsiness, fatigue, nervousness, insomnia
Gastrointestinal Nausea, vomiting, diarrhea, abdominal pain/cramps, dry mouth
Skin/Allergic Allergic reactions, including skin rash or itching, and rarely more severe reactions like angioedema.

Serious and Clinically Significant Safety Considerations

  • Hypersensitivity: The medication is contraindicated in individuals with a known hypersensitivity or allergy to oxolamine or any of its components.
  • Pediatric Safety: Case reports have implicated oxolamine citrate cough mixtures in causing hallucinations in young children (typically under 10 years of age). This reaction is considered rare, but warrants caution and monitoring when used in this population.
  • Drug Interactions: There are reports suggesting that oxolamine may potentiate the effect of some anticoagulant medications (such as warfarin) and other central nervous system depressants, which may require dose adjustments and careful monitoring.

Contraindications and Restrictions

The use of oxolamine is contraindicated in patients with known hypersensitivity. Caution is advised in patients with pre-existing urinary issues due to potential anticholinergic effects, which could lead to urinary retention. Additionally, caution is noted for use in pregnancy and breastfeeding, as the safety profile for these populations is not fully established.

Overdose and Emergency Response

Overdose and When to Seek Help

This information reflects the documented official profile for Perebron overdosage, derived from authoritative regulatory sources. It is not a substitute for professional medical advice.

Documented Clinical Manifestations

Overdosage with Perebron may lead to severe central nervous system (CNS) depression, characterized by extreme somnolence that can progress to stupor or coma. Critical respiratory depression, where breathing becomes slow, shallow, or stops, is a life-threatening manifestation. Other serious outcomes include cardiovascular collapse, severe hypotension, and potential cardiac arrest. Nausea and vomiting are also commonly documented symptoms.

Mandatory Emergency Actions

Immediate medical attention is required upon any suspected accidental or intentional overdosage. Due to the risk of severe complications, this is considered a medical emergency. You must promptly contact a certified Poison Control Center and immediately seek emergency medical services (e.g., call 911 or your local emergency number).

Management in a clinical setting is typically symptomatic and supportive. This may include continuous monitoring of vital signs, maintenance of a patent airway, and assisted ventilation. If the official label specifies a pharmacological reversal agent (antidote), this may be administered. Prolonged observation is often necessary to monitor for the return of respiratory depression.

Population Considerations

Accidental exposure to even small amounts of Perebron in children is considered extremely serious and potentially fatal, mandating immediate medical evaluation. Geriatric or debilitated patients may exhibit increased sensitivity to the respiratory depressant effects of an overdose.

Therapeutic Uses of Perebron

What Perebron Treats: Main Uses and Benefits

Perebron (Oxolamine) is commonly used to help manage symptom clusters that may become intense or disruptive, particularly the dry, non-productive cough reflex. It is applied in contexts where the heightened urge to cough causes significant discomfort. The active component is used for the symptomatic relief provided by antitussive agents and is also noted for its role in easing discomfort associated with inflammation.

The medication is relevant in contexts involving inflammatory or irritative states of the upper and lower respiratory tract. It is used across conditions such as laryngitis, tracheitis, and bronchitis, and is often applied when symptoms become temporarily overwhelming during acute respiratory episodes.

The medication is applied because of its supportive role in easing the symptom burden associated with irritating, unproductive coughing.

The drug is primarily relevant for coughs linked to irritation and the urge to cough, providing support that helps ease the overall symptom burden. It is commonly used when persistent coughs interfere with rest and sleep across both adult and pediatric groups.


Quick Fact: Relief for Irritating Cough

Quick Fact: Relief for Irritating Cough The medication may assist with maintaining comfort and stability by providing supportive relief during episodes of heightened discomfort and is commonly used when short-term symptomatic assistance is needed.

Eligibility and Restrictions for Use

Absolute Exclusions (Contraindications)

Use of Perebron (Oxolamine) is contraindicated and must be avoided in patients with a known hypersensitivity to the active ingredient, Oxolamine Citrate, or any other component of the formulation. The drug is also not recommended for functional reasons: it should not be used to treat a productive cough (chesty cough with mucus) or any persistent chronic cough associated with underlying severe respiratory pathology. Its use is strictly limited to relieving non-productive irritation.


Restricted Use Populations

Several populations require special caution or strict medical guidance. Patients with severe hepatic impairment (liver) and severe renal impairment (kidney) are subject to conditional use due to the drug’s metabolic and excretion pathways. For women who are pregnant or breastfeeding, use is generally not recommended; it is permitted only if judged absolutely necessary and must be administered under strict medical supervision. Use is established in both the adult and pediatric populations, subject to all aforementioned limitations.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

Property Details
Medicinal product categories with documented interactions Central Nervous System (CNS) Depressants; Anticoagulants (Coumarin derivatives).
Specific interacting medicines (if explicitly listed) Warfarin; Diphenoxylate/Atropine, Phenobarbital, Apomorphine, Flurazepam, Perphenazine (as examples of CNS depressants).
Mechanistic basis of interactions (only if stated in label) Pharmacokinetic interaction via potential inhibition of liver enzymes (Cytochrome P450, specifically CYP2B1/2) leading to altered clearance; Pharmacodynamic reinforcement of CNS depressant effects.
Timing-based interaction rules (if applicable) None explicitly documented as a mandatory time separation requirement in official regulatory labels.
Population-specific interaction notes (if applicable) Preclinical data contributing to the Warfarin interaction suggests a sex-dependent difference in the magnitude of the exposure-altering effect (greater in males).
Interaction-related restrictions Cautionary constraint against co-administration with other CNS depressants due to the risk of additive CNS depression.

Interaction Classifications (High-Level)

Classification Details
Interaction severity classification (as defined in official documents) Contraindicated/Use-with-Caution Combinations (CNS Depressants); Clinically Significant Interaction requiring monitoring (Warfarin).
Regulatory basis (EMA / FDA / etc.) Based on scientific and clinical data cited in official regulatory monographs, public assessment reports, and interaction databases.
Interaction-context constraints (as defined in official documents) The interaction with Warfarin results in an official outcome of increased plasma concentration and prolonged terminal half-life of Warfarin.

Resulting Interaction Structure

Official Interaction Statements:

  • Co-administration with Warfarin may lead to a pharmacokinetic interaction resulting in the increased plasma concentration and prolonged half-life of Warfarin.
  • The medicine has a documented pharmacodynamic interaction with other Central Nervous System (CNS) Depressants, which is characterized by an additive increase in the overall CNS depressant effects.
  • The co-use of alcohol (ethanol) may reinforce or increase the potential CNS depressant effects of the medicine.

Connection to the overall interaction profile: Regulatory documents define the product's interaction structure primarily around two classes of constraints: a pharmacokinetic exposure risk with anticoagulants like Warfarin requiring close monitoring, and a pharmacodynamic risk of additive CNS depression with other CNS-active agents and alcohol. This structure focuses official caution on metabolic interference and reinforcement of central nervous system effects.

Mechanism of Action

Perebron exerts its effect through a multi-domain pharmacodynamic mechanism targeting the cough reflex arc and associated sensory pathways.


How Perebron Works

Perebron acts primarily as an antitussive agent by modulating neural signaling at both central and peripheral levels.

At the central level, the compound influences the central cough center in the medulla oblongata, where it engages in the modulation of the central pattern generator for coughing. This interaction involves limiting excessive neural signaling within targeted central pathways, resulting in an altered state of central excitability that affects the initiation threshold of the reflex.

In the periphery, Perebron interacts locally with airway afferent nerves (sensory nerve endings) in the respiratory tract. By influencing the excitability of these nerves, the compound modifies the signaling sequences that transmit mechanical and chemical stimuli. This action results in an increased local threshold for afferent nerve discharge.

Collectively, this dual-level mechanism involves the modulation of overactive physiological responses by influencing excitability within key neural and sensory pathways, thereby altering the downstream consequences of sensory input and reflex initiation. The drug's activity is confined to these mechanistic domains.

Dosage and Administration Information

Instruction Map: How to use Perebron — Official Administration Guidelines

Administration Scope

Entity Instruction / Principle
Route of administration Oral ingestion only (via syrup or tablet).
Dosing schedule (Adults) Single dose ranging from 60 mg to 100 mg of Oxolamine salt.
Timing in relation to meals Some official labels advise administration after meals (post cibum).
Preparation requirements No explicit preparation or dilution is required for standard syrup or tablet forms.
Age-group administration rules Use is governed by specific dose scaling for pediatric patients (children over 2 years of age) based on body weight or age.
Special procedural conditions Doses must be separated by a minimum interval of 6 hours to control the frequency of daily administration.

Instruction Classifications (High-Level)

Classification Principle
Administration method type Oral
Frequency pattern Multiple times daily (Three to four times daily).
Use-context constraints Short-term use for acute episodes only.

The usage of Perebron (Oxolamine) is defined by a standardized set of official administration rules. The medication is designated exclusively for oral ingestion, available primarily as a syrup or in tablet form, including 100 mg and 200 mg strengths. The adult regimen specifies a single dose of up to 100 mg taken up to four times daily, with the 6-hour minimum interval being a critical constraint to ensure proper scheduling. The use protocol confirms that administration to children requires a specific weight- or age-adjusted dose that differs from the adult regimen, and the entire course is limited to a short-term duration suitable for acute symptomatic use.

Recent Clinical Evidence

Perebron: Recent Clinical Evidence

Evidence for Acute and Persistent Cough

Clinical research has explored the use of this compound in patients experiencing cough associated with respiratory irritation, such as bronchitis and laryngitis. The research base includes a mix of short-term Randomized Controlled Trials (RCTs), comparative clinical studies, and smaller Pilot Projects used in research exploring how symptoms change over time. These studies examined objective measures like Cough Sensitivity and patient-reported measures such as Cough Severity Scores and Cough Frequency to track outcomes related to physical discomfort.

The overall certainty remains low due to the limited number of modern, large-scale RCTs for the specific compound. Evidence quality varies across studies, with some using smaller sample sizes and single-blind methods, which may introduce uncertainty compared to fully double-blind trials.

Research in Special Populations and Comorbidity Groups

The active compound was evaluated in specific populations, including Older Adults and patients with conditions involving periods of heightened symptoms like Chronic Obstructive Pulmonary Disease (COPD) complications. Research also describes patterns observed in some studies regarding use in Pediatric patient groups.

Data for certain groups remain insufficient. The total volume of dedicated research in children and older adults is limited, and specific subgroup findings are uncertain.

Short-Term Data and Long-Term Research Gaps

Nearly all available research explored short-term symptom changes over defined time intervals. These studies were designed to capture outcomes describing episodic or acute changes associated with short-term respiratory conditions.

A significant gap exists because long-term effects are not fully established. There is limited information for long-term outcomes or how the patterns of symptom change may be sustained over many months. Follow-up durations were limited, meaning research exploring the durability of the observed short-term changes after stopping the compound is sparse.

Key Studies & References

  1. WHO Collaborating Centre for Drug Statistics Methodology: Anatomical Therapeutic Chemical (ATC) Classification

Frequently Asked Questions (FAQ)

Common questions about Perebron (FAQ)


Q: Can children or adolescents use Perebron, and is the guidance different?

Official information indicates that the medicine's use is established in the pediatric population (children over 2 years of age). However, administration guidance is different from that of adults, requiring a specific dose adjusted for age or body weight. Official reports have cited the rare occurrence of hallucinations in young children (typically under 10 years of age), which is a safety consideration noted in the labeling.


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

The regulatory status of the active ingredient, Oxolamine, is not uniform across the world. While it is not approved by the U.S. FDA, official information states that it is listed as a prescription drug in some countries. Its availability classification may therefore vary depending on the international market.


Q: Are there any warnings about driving or operating machinery while on Perebron?

Regulatory safety information reports that the medicine may cause central nervous system effects such as dizziness and drowsiness. Due to this potential, caution is needed regarding tasks requiring full alertness, such as driving or operating heavy machinery. Regulatory warnings describe that individuals should generally wait until they observe how the medicine affects them before engaging in such activities.


Q: Is Perebron often used alongside other treatments for the same condition?

Official regulatory documents include constraints against co-administration with other Central Nervous System (CNS) Depressants due to the potential risk of an additive increase in CNS depressant effects when the medicines are used together. Regulatory guidelines constrain co-administration decisions, focusing on minimizing risk associated with potential additive effects.


Q: What is the guidance on using Perebron during pregnancy?

Official guidance indicates that use during pregnancy is generally not recommended. It is permitted only if deemed absolutely necessary, and official guidance describes that administration should occur under strict medical supervision. This restriction is in place because the safety profile for this specific population is not fully established.


Q: Does the time of day matter when taking Perebron?

Administration is guided by the official instruction to take the medicine after meals (post cibum). Furthermore, doses must be separated by a minimum interval of 6 hours. Regulatory documents do not provide specific instructions recommending a required time of day (e.g., morning versus night) for administration.


Q: What is the typical time frame before Perebron might start having an effect?

Perebron is designated for short-term symptomatic use. The specific time required for the therapeutic effect to begin (onset of action) is not publicly specified in the available official regulatory and clinical summaries.


Q: How long does the effect of a single dose of Perebron generally last?

The duration of the symptomatic effect is not explicitly defined in official documents. The administration protocol establishes a minimum interval of 6 hours between doses, which is the interval used to control the frequency of daily administration.


Q: How quickly is Perebron eliminated from the body?

The specific half-life (elimination rate) of the active ingredient, Oxolamine, is not publicly specified in the available official regulatory documents. Information indicates the medicine is metabolized in the liver and excreted through the kidneys.


Q: Does Perebron have a warning about certain heart conditions?

Official regulatory monographs list contraindications for known hypersensitivity and specific types of cough, but not for common heart conditions. However, rare reports of cardiovascular issues like palpitations (a rapid heartbeat) have been noted as potential side effects.


Q: Is Perebron the same type of medicine as [Common Similar Drug Name]?

Perebron is classified as a Non-narcotic Antitussive Agent, meaning its function is to suppress the cough reflex. Its specific identity is defined by its action of modulating neural signaling at both central and peripheral levels.


Q: Why do people sometimes say Perebron is a 'booster' or 'support' medicine?

The official pharmacological classification of Perebron is strictly as an Antitussive Agent (cough suppressant). Its documented purpose is to provide symptomatic relief by reducing the urge to cough. Official regulatory documents do not define the drug using terms such as 'booster' or 'support.'


Q: Does Perebron help with more than just its primary approved use?

The medicine is designated exclusively for the symptomatic relief of a non-productive (dry) cough. Regulatory documents strictly limit its approved therapeutic application to this primary function.


Q: Is it common to feel tired when first starting Perebron?

Drowsiness and fatigue are reported nervous system side effects of the medicine. However, the official safety profile explicitly states that the specific frequency of these effects (e.g., common or uncommon) is not standardized across all available reports.


Q: What are the most commonly reported side effects of Perebron?

Official reports state that the specific frequency of side effects is not standardized. However, reactions that have been consistently reported include dizziness, drowsiness, nausea, vomiting, abdominal pain, and dry mouth.


Q: Are there any side effects of Perebron that are considered serious but rare?

Official safety information notes two types of serious reactions. These include Hypersensitivity reactions (allergic responses, including rare angioedema) and the rare potential for hallucinations in young children (typically under 10 years of age).


Q: Can Perebron cause issues with sleep or insomnia?

Official safety documentation lists both insomnia and drowsiness as reported side effects that can affect the central nervous system. These experiences may vary among individuals using the medicine.


Q: Are there certain foods or drinks that should be avoided while using Perebron?

Official guidance advises that the medicine is to be taken after meals. Furthermore, co-use of alcohol (ethanol) is noted as potentially increasing the CNS depressant effects. No specific restrictions on particular foods are documented in the official materials.


Q: What happens if I accidentally take two doses of Perebron close together?

Official procedural rules state that doses must be separated by a minimum interval of 6 hours. Taking doses closer than this minimum interval may result in a higher-than-intended concentration of the active compound in the body.


Q: If I stop taking Perebron, will the original condition immediately return?

The medicine is designated for short-term symptomatic use for acute episodes only. Its intended action is to suppress the cough reflex, and the persistence or return of the underlying condition depends on the nature of the pathology.


Q: Does Perebron show up on standard drug screening tests?

The medicine is officially classified as a Non-narcotic antitussive agent.


Q: What does official research evidence say about the long-term use of Perebron?

Official clinical summaries state that a significant gap exists because long-term effects are not fully established. Available research was typically short-term, meaning there is limited information on outcomes sustained over many months.


Q: Have there been many clinical studies conducted on Perebron?

The research base includes a mix of short-term trials and smaller pilot projects. However, the overall certainty is described as low due to the limited number of modern, large-scale Randomized Controlled Trials (RCTs) for the specific compound.


Q: Is Perebron approved in major countries like the US, Canada, or the EU?

The active ingredient, Oxolamine, is not approved by the U.S. FDA. Its regulatory status varies internationally; it is approved in some territories and listed as a prescription drug in others.


Q: Is there a generic version of Perebron available?

Perebron is a trade name for the active compound, Oxolamine. The availability of unbranded or generic products containing Oxolamine depends on the specific commercial and regulatory status in local markets.


Q: Is it normal to notice no immediate change when starting Perebron?

The specific time required for the symptomatic effect to begin is not publicly specified in the available official documents. The medicine works by modulating the cough reflex over time, and individual responses to treatment may vary.

How should Perebron be stored and disposed of?

How to Store and Dispose of Perebron

The official labeling for Perebron (Oxolamine) defines specific conditions required to maintain the medicine's stability and ensures safe disposal.


Storage Requirements

Condition Regulatory Rule
Temperature Store at ambient room temperature (typically below 25 C or 30 C).
Protection Keep in the original container, tightly closed, and protect from light and moisture.
Safety Keep out of the sight and reach of children (a mandatory requirement).

Disposal Instructions

Expired or unused Perebron must be disposed of according to strict local regulations. Do not throw this medicine into wastewater (e.g., sink or toilet) or household trash unless explicitly instructed by a local waste disposal program or authority. Follow local requirements for discarding pharmaceutical waste.

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

Available in countries:

Equivalent of Perebron found in:

A-Z Index: