Broomhexine HCL Basic

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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 Broomhexine HCL Basic

Quick Facts

Property Description
Active ingredient Bromhexine Hydrochloride [INN]
Form Tablet, Syrup, Injectable Solution
Pharmacological class Mucolytic and Secretolytic Agent
General purpose Clearing excessive or thick respiratory mucus
Origin Synthetic derivative of Vasicine

Bromhexine HCL Basic: Definition and Pharmacological Class

Bromhexine HCL Basic is a synthetic medicine whose active ingredient is Bromhexine Hydrochloride [INN], designed to regulate and modify secretions within the respiratory system. It is formally classified as a mucolytic agent and secretolytic agent, belonging to the larger class of expectorants that chemically modify mucus. This classification is clinically recognized for its role in altering the physical properties of mucus in the airways, a structure confirmed by pharmacological studies.

Composition, Forms, and Origin

The preparation relies exclusively on the therapeutic effect of the single active ingredient, Bromhexine Hydrochloride, confirming it as a single-ingredient product. The molecule itself is a synthetic derivative of the natural plant alkaloid Vasicine. Bromhexine HCL Basic is widely supplied in different dosage forms, including tablets and syrups (oral solution), which are administered via the oral route, as well as specialized injectable solutions for parenteral use. This range of forms allows flexibility for use in various patient groups.

The General Purpose of Mucolytic Action

The fundamental general purpose of this medicine is to manage respiratory conditions associated with the production of thick, highly viscous mucus or phlegm that impairs airway clearance. As a mucolytic agent, Bromhexine works to break down the complex structure of these secretions, reducing their viscosity and elasticity. The mechanism of action is scientifically confirmed to restore the normal functioning of mucus secretion. This action promotes the easier expulsion of accumulated mucus, supporting a more effective, productive cough and providing relief from congestion often experienced during respiratory tract infections.

What side effects are possible with Broomhexine HCL Basic?

Possible Side Effects and Safety Information

The safety profile for Bromhexine HCL Basic outlines potential adverse reactions, categorized primarily by frequency and the body system affected, according to official regulatory documentation.

Adverse reactions are classified into several system-organ classes, including Gastrointestinal disorders, Skin and subcutaneous tissue disorders, Immune system disorders, and Nervous system disorders.

Commonly Documented Adverse Reactions

Adverse events classified in regulatory documents as Uncommon include hypersensitivity reactions and gastrointestinal disturbances such as nausea, vomiting, diarrhoea, abdominal pain, and dyspepsia (indigestion). Less frequent events, classified as Rare, include rash and urticaria.

Serious Adverse Reactions and Safety Cautions

The safety documentation highlights the potential for rare but serious reactions, often categorized as Not Known (frequency cannot be estimated). These include anaphylactic reactions (including anaphylactic shock), angioedema, and severe cutaneous adverse reactions (SCARs). SCARs include Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). The regulatory data notes that the risk for SCARs is considered to be highest early in the course of therapy.

Specific Safety Considerations

Official labels advise specific caution for use in individuals with a history of gastric or duodenal ulceration. Additionally, caution is noted for patients with pre-existing impaired hepatic function (liver) or impaired renal function (kidney). Use is restricted in individuals with known hypersensitivity to the active substance or to any of the product's components.

Overdose and Emergency Response

Overdose and When to Seek Help

The following information is derived strictly from official government regulatory documents detailing the known manifestations and required actions in case of an overdose of Bromhexine Hydrochloride.

Element Official Regulatory Description
Documented Overdose Presentations Symptoms typically documented following acute overdosage include gastrointestinal disturbances such as nausea, vomiting, and diarrhea. Dizziness may also be reported.
Emergency-Response Statement Seek immediate medical attention or contact a Poison Control Center immediately upon suspected overdosage.

Official Management and Monitoring

Official regulatory sources note that overdosage is generally associated with non-severe effects, reflecting a wide therapeutic window. However, immediate medical help is required to ensure proper observation and care. The official approach to managing an overdose is strictly symptomatic and supportive treatment, as regulatory documents explicitly state that no specific antidote is known for Bromhexine Hydrochloride.

Supportive measures, such as gastric lavage or the administration of activated charcoal, may be considered by medical professionals depending on the time elapsed since the excessive ingestion. Hospital monitoring and observation of vital functions, including cardiovascular and respiratory status, may be required to manage potential latent complications.

Therapeutic Uses of Broomhexine HCL Basic

Bromhexine HCL Basic is applied across therapeutic domains where additional symptomatic support is needed for respiratory issues characterized by pathological mucus production and impaired clearance. The therapeutic use of this medication is relevant for expectorant action to help make mucus thinner in patients with short- or long-term diseases of the lungs or airways.

The medication is commonly used across conditions presenting with acute episodes, including Acute and Chronic Bronchitis, COPD exacerbations, and where supportive relief is needed for conditions like Pneumonia. It is relevant for easing thick, sticky phlegm and chest congestion. The goal of this therapeutic approach is to support the patient in the expulsion of accumulated material, thereby converting an ineffective, chesty cough into one that is more functionally manageable. This action contributes to easing the overall symptom load related to respiratory discomfort.

“This medication is typically used when the effort to cough is hindered by symptoms related to physical discomfort, and assists with maintaining functional stability during these periods.”

Quick Fact: Support for Viscous Respiratory Symptom Management Domain Focus Benefit
Symptom Cluster Thick, retained phlegm Contributes to easing the overall symptom load
Clinical Scenario Acute infection, Chronic flare-up Assists with maintaining functional stability

Regulatory References

  1. European Medicines Agency (EMA) therapeutic overview

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility for Bromhexine HCL Basic

Official regulatory documents define specific populations who are restricted from using or must use caution with this medicine. These rules are grounded in safety classifications for certain patient statuses and pre-existing conditions.

Eligibility Scope Status Defined by Regulatory Documents
Contraindicated Populations Known hypersensitivity or idiosyncratic reaction to bromhexine hydrochloride or any other excipients in the specific formulation.
Populations Requiring Caution Individuals with a history of gastric or peptic ulceration (due to the risk of disrupting the gastric mucosal barrier). Patients with severe hepatic (liver) or renal (kidney) impairment (due to the potential for reduced clearance of the drug or its metabolites).
Age-Related Eligibility Use is generally not recommended or contraindicated in children under 6 years of age for over-the-counter (OTC) products, though this age may vary by formulation and region.
Pregnancy and Lactation Pregnancy: Use is generally not recommended or avoided, particularly during the first trimester, due to limited data. Lactation: Use is not recommended for breastfeeding mothers, as the drug may be excreted in breast milk and the risk to the infant is not established.

These official statements structure the eligibility profile by establishing an absolute prohibition for individuals with a known allergy and advising special consideration for patients with certain gastric or organ function issues. Use in vulnerable groups, such as young children and those who are pregnant or breastfeeding, is constrained to avoid potential risk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes the officially documented interaction patterns of Bromhexine Hydrochloride as stated in government regulatory sources. The medicine is generally reported to have no significant unfavorable drug–drug interactions, with documented effects primarily involving other respiratory medications and certain antibiotics.

Documented Interaction Patterns

Interaction Type Interacting Substance / Condition Official Outcome Restriction/Constraint
Pharmacodynamic Restriction Antitussive (Cough Suppressant) Medicines Risk of mucus accumulation (retained secretions) Co-administration must be avoided
Exposure Modification Amoxicillin, Erythromycin, Oxytetracycline, Cefuroxime Increased concentration of the antibiotic in respiratory secretions Documented effect
Pharmacokinetic Alteration Food Intake Increased plasma concentrations of Bromhexine Occurs upon concomitant intake
Population-Specific Note Severe Hepatic or Renal Impairment Clearance of Bromhexine may be reduced Use with caution is noted

Co-administration with cough suppressants and other agents that may suppress the cough reflex must be avoided, as this is associated with a risk of retaining thickened respiratory secretions, as documented in regulatory information. Conversely, the co-administration with specific anti-infective agents is noted for an officially documented outcome of increased antibiotic concentration in the sputum and bronchopulmonary secretions. Food intake is observed to increase the measured plasma concentrations of Bromhexine. Furthermore, official labeling includes the caution that clearance of the medicine may be reduced in patients with severe hepatic or renal impairment.

Mechanism of Action

How Bromhexine HCl Basic Works

The action of Bromhexine HCl is centered on altering the physical properties of respiratory tract secretions and modulating the mucociliary clearance system. It achieves its effect through three primary mechanistic domains:


Molecular Mucus Structure Modification

This domain involves the drug's direct mucolytic action on the chemical bonds within the high-viscosity secretions. It targets and cleaves the acidic mucopolysaccharide fibers that form the structural backbone of thick mucus, resulting in a reduction in viscosity and adhesiveness of the respiratory material.


Glandular Fluid Secretion Modulation

As a secretagogue, the drug stimulates the serous glands lining the bronchial airways. This action increases the production of low-viscosity, watery fluid (the sol layer), which contributes to the formation of a fluid layer beneath the high-viscosity mucus layer.


Mucociliary Transport Modulation

The combined effect of reducing the viscosity of the secretions and increasing the watery layer affects the function of the ciliated epithelium. The tiny, hair-like cilia can then operate against the altered rheology of the secretions, thereby affecting the rate of secretion transport out of the respiratory system.

Dosage and Administration Information

Bromhexine Hydrochloride is an oral medicine available as tablets (e.g., 8 mg) and oral liquid preparations (e.g., 0.8 mg/mL or 1.6 mg/mL). The medicine is to be administered only by mouth (orally).

Official Dosing and Administration

The dosage schedule is strictly defined by age group and the specific product formulation. The medicine is generally taken three times daily (every 8 hours, as necessary). Some product labels may suggest taking the dose immediately after meals.

Age Group Single Dose (8 mg Tablet / Liquid Equivalent) Maximum Daily Frequency
Adults and Children over 12 years 8 mg to 16 mg (1-2 tablets or 5–20 mL liquid) 3 Doses
Children 6 to 11 years 8 mg (1 tablet or 5–10 mL liquid) 3 Doses
Children 2 to 5 years 4 mg per dose (or 2.5 mL of 1.6 mg/mL liquid) Typically 2 to 3 Doses
Children under 2 years Not recommended; consult a professional Varies by regulation

Preparation and Procedural Rules

  • Oral Liquid: The bottle must be shaken well before the medicine is measured. Doses must be measured using a device calibrated exclusively in metric units (e.g., milliliters).
  • Soluble Tablets: If applicable, soluble tablets must disintegrate in water within a defined time frame (e.g., 3 minutes at 15 C to 25 C).
  • Missed Dose: If a dose is missed, take it as soon as remembered; however, if it is nearly time for the next scheduled dose, skip the missed dose and continue the regular schedule. Do not take a double dose.
  • Duration: Consult a healthcare professional if symptoms persist or worsen after approximately one week of use.

These official instructions define the required dosage quantity, frequency, and preparation steps for the medicine's proper oral use, as established by government regulatory bodies.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Bromhexine HCL Basic

Evidence for Use in Acute and Chronic Respiratory Conditions

This section will summarize the available clinical research, primarily focusing on controlled trials and systematic reviews that have investigated the study of Bromhexine HCL Basic in patients with excessive or thick respiratory mucus, such as those with chronic bronchitis and acute respiratory infections.

Bromhexine HCL Basic was studied for managing respiratory conditions characterized by fluctuating or episodic manifestations where thick mucus is produced. Data show patterns related to changes in the sputum viscosity and volume that were measured during the study period. However, findings were mixed when researchers attempted to track changes in broader clinical measures, such as overall lung function. The overall research base is characterized by systematic reviews as low in overall quality due to methodological limitations.

Study Focus: Measuring Sputum Properties and Symptom Relief

This heading will outline the specific outcomes and endpoints that have been measured in clinical studies, including the monitoring of changes in sputum viscosity and volume, the subjective ease of expectoration, and the assessment of other related respiratory symptoms like cough.

The early clinical trials research examined a set of outcomes related to physical discomfort and outcomes describing episodic or acute changes in the patient's respiratory status. Research describes changes measured during the study period concerning mucus properties. Evidence contributes to understanding symptom patterns, with some participants reporting that the difficulty of expectoration lessened during the study intervals.

Long-Term Outcomes and Follow-Up Duration

This part will describe the duration of the clinical trials conducted, explaining what is known about the persistence of patterns observed in the studies and highlighting the current research limitations regarding any available long-term data beyond short-term follow-up periods.

The majority of research was conducted during periods of increased symptom activity and typically involved follow-up durations were limited. Because of this focus on acute or short-term changes, the long-term effects are not fully established. Evidence is limited regarding the persistence of observed changes after a patient stops taking the medicine.

Evidence in Specific Patient Populations

This heading will outline what the clinical research shows regarding the study of Bromhexine HCL Basic in various demographic groups, particularly noting the existing data or documented research gaps concerning older adults and children (specifically those under six years of age).

Bromhexine HCL Basic was evaluated in specific patient populations experiencing conditions marked by functional limitations, such as older patients with chronic bronchitis. However, data for certain groups remain insufficient. Specifically, few data are available for children under six years of age.

Evidence Quality and Research Gaps

This final section will synthesize the regulatory perspective on the overall strength and quality of the research evidence (rated as Low), and it will describe the main documented areas of uncertainty and research gaps.

Evidence is limited in its ability to substantiate consistent findings for every measured outcome. Key research gaps remain, including the need for modern, high-quality trials with adequate follow-up durations were limited to fully characterize the medicine’s study on major clinical endpoints beyond just the measurement of mucus properties. The evidence contributes to understanding what is known — and what is still uncertain.

Frequently Asked Questions (FAQ)

Common questions about Broomhexine HCL Basic (FAQ)


Q: Should I take Bromhexine with food or on an empty stomach?

Regulatory information indicates that Bromhexine may be taken with or without food. Some product labels may recommend taking your dose immediately after a meal.

Official documentation notes that food intake can increase the plasma concentration of Bromhexine.


Q: How long can I use Bromhexine HCl for my cough?

Official product information advises that consultation with a healthcare professional is recommended if your symptoms persist or worsen after approximately one week of use. The medicine is generally used for the short-term management of respiratory symptoms.

Use beyond approximately one week or two weeks may require further evaluation by a healthcare professional.


Q: Is it safe for pregnant or breastfeeding women to use this medicine?

Regulatory documents state that use is generally not recommended during pregnancy, particularly in the first trimester. The lack of sufficient data leads to a recommendation to avoid use.

Regulatory documents also note that the drug may be excreted into breast milk, and since the risk to the infant is not established, its use during breastfeeding is not recommended.


Q: Does this medicine cause drowsiness?

The key regulatory documents listing common and uncommon adverse effects do not explicitly name drowsiness. Possible effects on the nervous system, such as dizziness (vertigo) and headache, have been noted in official product information.


Q: Can I drive after taking Bromhexine?

The official labeling indicates that, when taken as recommended and in the absence of side effects, the medicine is not expected to impair the ability to drive or use machinery.

If side effects such as dizziness occur, it is noted that driving or operating machinery should be avoided.


Q: Is Bromhexine the same as an antibiotic?

No, Bromhexine is not an antibiotic. It is formally classified by regulatory bodies as a mucolytic and secretolytic agent, belonging to the class of expectorants.

These agents are used to modify respiratory secretions.

How should Broomhexine HCL Basic be stored and disposed of?

Official Storage and Disposal Instructions

The storage and disposal of bromhexine hydrochloride are strictly governed by regulatory requirements to ensure product stability and safety.

Storage Requirement Official Condition
Temperature Store below 30 C (some formulations require below 25 C).
Protection Protect from light; tablets must be kept in the blister pack to protect from moisture.
Stability (Syrup) Must be discarded 28 days after first opening the bottle.
Child Safety Keep the medicine out of the sight and reach of children.

Unused or expired product must be disposed of in accordance with local requirements and must not be thrown away via wastewater or household waste. The medicine should be kept in its original container, often inside the outer carton, to maintain stability until disposal.

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

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