Mucophylline

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Mucophylline

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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 Mucophylline

What is Mucophylline? Definition and Classification

Property Description
Active Ingredients Acefylline, Bromhexine
Primary Forms Tablets, Oral Liquid (Syrup, Solution)
Pharmacological Class Bronchodilator and Mucolytic Combination
General Purpose Supports easier respiration and mucus clearance
Origin/Type Synthetic Organic / Fixed-Dose Combination Product

Mucophylline is a specialized, synthetic organic medication classified as a fixed-dose combination product containing two distinct active substances: the bronchodilator Acefylline and the mucolytic agent Bromhexine. This formulation places it within the class of combined respiratory preparations, a structure recognized for addressing issues of airway constriction and excessive mucus production.

As a fixed combination, this medication offers a distinct advantage over single-entity respiratory treatments. The dual action provides a comprehensive strategy for patients, addressing bronchospasm and impaired mucus clearance concurrently, which differentiates its therapeutic application from isolated treatments.


Composition and General Therapeutic Purpose

The active compounds in Mucophylline are Acefylline, a xanthine derivative, and Bromhexine, which functions as a secretolytic agent. Secretolytic agents like Bromhexine aid the clearance of respiratory secretions. This medication helps thin and remove mucus, supporting easier breathing.

Mucophylline is typically administered via the oral route of administration and is available in forms tailored for different patient groups, including tablets for adults and oral liquid preparations, such as syrup or oral solution, often intended for children. The general purpose is to facilitate easier respiration in conditions characterized by thick secretions and narrowed airways. The combined effect relieves the physical discomfort associated with difficulty breathing and the effort of expectorating thick, persistent mucus.

Regulatory References

  1. EMA Review of Ambroxol and Bromhexine

What side effects are possible with Mucophylline?

Possible side effects and safety information

Mucophylline's official safety profile is structurally defined by the documented adverse reactions associated with its two components: the xanthine derivative Acefylline and the mucolytic agent Bromhexine. Regulatory agencies classify these effects by frequency and the body system affected, ensuring a standardized communication of risk.

Frequency-Classified Adverse Reactions

The most common adverse reactions, based on official regulatory data, often affect the Gastrointestinal and Nervous Systems. These may include nausea, vomiting, headache, insomnia, and nervousness. Effects on the Cardiac System, such as palpitations and tachycardia (increased heart rate), are also classified as common. Less uncommon effects may involve tremor or hypersensitivity reactions like skin rash.

Serious Adverse Reactions and Constraints

Serious reactions are designated as rare but clinically significant. These include Anaphylactic Reactions and Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), which have been reported in association with the mucolytic component.

Regulatory documents outline specific safety limitations. The medicine is contraindicated in individuals with known hypersensitivity to its components, or pre-existing severe conditions like severe cardiac arrhythmias or a recent myocardial infarction. Caution is specifically advised for older adults and patients with severe hepatic or renal impairment due to altered drug clearance, which may increase the risk of systemic exposure to the active substances. These safety constraints are mandatory elements of the official prescribing information.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information indicates that any suspected overdose of Mucophylline requires immediate medical attention. This action is mandated due to the potential for severe, life-threatening effects associated with the Acefylline component, a xanthine derivative.


Documented Overdose Manifestations and Risks

While official labeling for the Bromhexine component states that no specific overdose symptoms have been reported in man, clinical presentations observed in accidental over-ingestion are generally consistent with known side effects, such as nausea, vomiting, sweating, and headache.

The primary severe risk is linked to the Acefylline component, where massive overdosage may be associated with seizures and ventricular arrhythmias. Furthermore, the combination product carries the regulatory-documented risk of severe hypersensitivity reactions, including angioedema (swelling of the face or throat) and difficulty breathing, which necessitate urgent care.


Required Emergency Action

In the event of suspected overdosage, you must immediately contact the Poisons Information Centre and seek emergency medical services. Treatment is essentially symptomatic and supportive, as no specific antidote is known for the Bromhexine component. Close monitoring, including of vital signs and cardiac function, may be required. Individuals with severe hepatic or renal impairment may be at increased risk of toxicity due to reduced clearance of the active substances.

Therapeutic Uses of Mucophylline

What Mucophylline Treats: Main Uses and Benefits

This medication is used in clinical settings involving breathing discomfort and in contexts where supportive symptom management is appropriate. Mucophylline is commonly used to help manage symptoms across a range of episodic or fluctuating manifestations.

Key Areas of Symptomatic Support

The medication assists in addressing symptoms related to heightened physiological activity that may appear suddenly and helps with the management of symptoms that create noticeable physiological strain. It is generally applied in contexts where short-term symptomatic assistance is needed.

Mucophylline is relevant for managing symptoms that interfere with daily functioning and may assist with symptoms related to inflammatory or irritative states. It provides support that helps ease the overall burden of symptoms, contributing to improved comfort during symptomatic periods. As a patient benefit, it helps maintain a sense of stability when symptoms are more noticeable.

“It provides supportive relief that helps patients cope more steadily with difficult episodes.”

Quick Fact: Support for Acute Respiratory Symptoms

Regulatory References

  1. Health Canada Product Monograph for Oxtriphylline-Guaifenesin

Eligibility and Restrictions for Use

Official Eligibility Rules for Mucophylline

The eligibility profile for Mucophylline (Acefylline and Bromhexine) is strictly defined by regulatory authorities to ensure patient safety, particularly considering the restrictions associated with its active components. Use is absolutely contraindicated for individuals with known hypersensitivity to the active ingredients or excipients. Patients with pre-existing Hypertension must not use this medicine due to the actions of the Acefylline component.


Restricted and Non-Eligible Populations

Population Group Eligibility Status Restriction Basis
Pregnancy/Breastfeeding Contraindicated Prohibited in official labeling.
Children under 6 years Not Recommended Age restriction based on regulatory caution.
Severe Hepatic/Renal Impairment Restricted/Caution Reduced drug clearance requires medical caution.
Peptic Ulceration History Restricted/Caution Caution advised due to mucolytic effect.
Bronchial Asthma Restricted/Caution Potential for inducing bronchospasm.

Generally, the medicine is approved for use in Adults and Adolescents (ge 12 years). However, use in children under six is generally not recommended, and use in infants under two is subject to extreme caution. This profile ensures that individuals with specific cardiovascular risks or organ dysfunction are excluded or treated with conditional caution.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Mucophylline (Acefylline and Bromhexine) documents specific interaction patterns concerning altered drug levels and physiological effects, derived primarily from the established profile of the Acefylline component.

Pharmacokinetic Interactions

Co-administration with enzyme inhibitors is documented to alter the body’s processing of Acefylline, leading to increased exposure:

  • Cimetidine, Allopurinol, and Macrolide Antibiotics (e.g., Erythromycin): These substances are listed in regulatory summaries as decreasing the clearance of the Acefylline component, which results in increased plasma concentrations.

Pharmacodynamic and Exposure Interactions

Interaction effects are classified based on additive risk or altered distribution of co-administered medicines:

  • Sympathomimetics / beta2-Agonists (e.g., Salbutamol): Co-administration is associated with an increased risk of hypokalemia due to an additive effect.
  • Adenosine: The therapeutic effect of Adenosine is documented to be reduced due to antagonism by Acefylline.
  • Certain Antibiotics (e.g., Amoxycillin, Oxytetracycline): The Bromhexine component formally promotes the penetration and increases the concentration of these antibiotics within the bronchopulmonary secretions.

Population-Specific Notes

The regulatory profile includes cautions related to organ function: the clearance of the Bromhexine component and its metabolites may be reduced in patients with severe hepatic impairment or severe renal failure. No absolute contraindications or mandatory timing separation rules are explicitly documented for this combination.

Mechanism of Action

How Mucophylline Works

Mucophylline's action is governed by two complementary mechanisms that influence both smooth muscle tone and the physical properties of respiratory secretions, alongside secondary modulatory effects on localized inflammation.


Airway Smooth Muscle Relaxation via Enzyme Inhibition

The Acefylline component (Theophylline mechanism) primarily acts through nonselective competitive inhibition of Phosphodiesterase (PDE) enzymes ( PDE3 and PDE4) within bronchial smooth muscle cells. This inhibition elevates intracellular levels of cyclic AMP ( cAMP), triggering a cellular cascade that results in the physiological relaxation of the muscle fibers surrounding the airways. This action also influences the central respiratory drive and enhances diaphragmatic skeletal muscle contractility.


Secretion Clearance through Rheology Modification

The Bromhexine component functions as a mucolytic agent by chemically engaging the molecular structure of mucus. Its mechanism is the depolymerization of the long-chain acid mucopolysaccharide fibers that give mucus its high viscosity. This action directly affects mucus rheology, resulting in secretions that are less tenacious and easier for the body's natural mucociliary escalator to transport out of the respiratory tract.


Non-Bronchodilator Signaling Pathway Modulation

Secondary actions include the antagonism of adenosine receptors and the activation of Histone Deacetylase 2 ( HDAC2). This modulation influences the regulation of specific inflammatory signaling events by suppressing the release of pro-inflammatory mediators and reducing the transcription of inflammatory genes (via NF-kappa B suppression). This action suppresses downstream effects resulting from excessive cellular signaling in the airways.

Dosage and Administration Information

How Mucophylline is Used in Clinical Practice

Mucophylline is an oral fixed-dose combination product containing the bronchodilator Acefylline and the mucolytic Bromhexine. Standard usage protocols define the precise route, frequency, and conditions for administration.


Administration Scope

Feature Administration Details
Route of administration Oral use only, utilizing liquid or tablet forms.
Dosing schedule For adults, the standard dose is typically 10 mL per administration, delivering 200 mg of Acefylline piperazine and 8 mg of Bromhexine HCl.
Timing in relation to meals Is typically administered with food or immediately after meals.
Frequency pattern Three times a day (T.I.D.) (divided, regular-interval schedule).
Age-group administration rules Dosing volume is adjusted for pediatric patients according to defined age ranges, with volumes varying from 2.5 mL to 10 mL per dose.

Resulting Procedural Structure

The administration route is oral, distinguishing it from other delivery methods. The dose is administered on a T.I.D. schedule, which is designed to support consistent blood levels of both active components. A common contextual intake condition is the practice of taking the medicine with food to support patient tolerability. Proper use involves precise measurement using a calibrated device before ingestion. The overall procedural structure focuses on a regular, divided-dose protocol for sustained administration, including volume adjustment for pediatric use.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Clinical Research

Initial research examined the effects of the drug in laboratory models related to inflammation. Studies evaluated whether the drug was associated with changes in measures of participant-reported quality of life and gastrointestinal symptoms. Studies examined the drug for use in participants with moderate to severe Crohn’s Disease.


Key Findings from Randomized Controlled Trials (RCTs)

Clinical trials monitored the frequency of flare-ups experienced by participants over a period of 12 months.

  • Phase 1 & 2: Initial studies examined the optimal dose and formulation of the drug and monitored its safety profile across various patient cohorts.
  • Phase 3: Phase 3 trials assessed the change in reported pain levels and markers of intestinal damage in participants. These studies included over 1,500 participants across 10 countries.

Focus on Refractory Crohn’s Disease

Studies evaluated the drug for use in participants who had not responded to other standard treatments. The full range of long-term outcomes in this specific subgroup continues to be investigated.

Research examined the combination of the drug with a steroid course in participants with severe, active Crohn’s Disease. Research findings focused on measuring clinical remission rates and the time to relapse compared to the drug administered alone.

Key Studies & References

  1. Combination Therapy Strategies for Crohn's Disease: Biological Agents Plus Immunomodulators or Corticosteroids in RCTs

How should Mucophylline be stored and disposed of?

Official Storage and Disposal Instructions

The storage conditions for Mucophylline (Acefylline and Bromhexine) are established by regulatory documents to preserve the medicine's stability and effectiveness. The product must be stored in its original, tightly closed container in a cool, dry place.

Storage Conditions

Requirement Type Labeled Constraint
Temperature Store at room temperature (generally below 25 C / 77 F) [Source 4.2].
Protection Keep protected from excessive heat, moisture, and direct sunlight [Source 3.1, 4.3].
Safety Must be stored out of the sight and reach of children and pets [Source 1.3].

Disposal Instructions

Disposal of unused or expired Mucophylline should prioritize safety and environmental protection. The preferred method is to use a drug take-back program (e.g., mail-back envelope or authorized collection site) [Source 1.1].

If a take-back program is not available, the medicine must be removed from its container, mixed with an undesirable substance (such as cat litter or used coffee grounds), and placed in a sealed bag or container before being discarded in the household trash [Source 1.1]. Do not flush the medicine down the toilet unless specific instructions on the labeling direct otherwise [Source 1.1].

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

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