Bromisol

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Bromisol

Quick Facts: Bromisol

Property Description
Active Ingredient Bromhexine Hydrochloride
Pharmacological Class Mucolytic Agent / Secretolytic Agent
Typical Form Oral Solution, Syrups, Tablets
General Purpose To reduce the viscosity of respiratory secretions
Origin Synthetic derivative of the alkaloid Vasicine

Bromisol: Defining its Pharmaceutical Class and Identity

Bromisol is a medicinal preparation whose core component is the active ingredient Bromhexine Hydrochloride. It is classified as a mucolytic agent and secretolytic agent, placing it in the specific pharmacological category of drugs intended to address thick, abnormal mucus secretions by modifying the physical consistency of the mucus.

Its chemical structure is a synthetic adaptation of the alkaloid Vasicine, which is derived from the Adhatoda vasica plant. This chemical lineage highlights its focused action on secretion management. Unlike combination remedies that also include ingredients to suppress coughs, Bromisol is known for its focus on the mucolytic function alone, making it a specialized preparation for secretion control.

Composition, Origin, and Available Forms

The therapeutic focus of Bromisol relies on its single-ingredient product status, utilizing only Bromhexine Hydrochloride to exert its effect. This preparation is typically available for oral administration in common dosage forms such as tablets and syrups, with the Oral Solution being a preferred formulation for patient groups who may have difficulty swallowing tablets. In liquid forms, the Bromhexine Hydrochloride is integrated into an aqueous vehicle, which ensures stability and palatability.

General Purpose and Core Therapeutic Benefit

The central general purpose of Bromisol is the management of viscid mucus within the bronchopulmonary system, a typical use scenario when thick secretions are retained in the airways. Its action promotes the reduction of the excessive stickiness and density of respiratory secretions.

This results in a fundamental core benefit: enhancing the secretomotoric process to support the effective clearance of thick, retained mucus. The overall objective is to assist the body in maintaining open and functional airways by systematically addressing the physical burden created by dense secretions.

What side effects are possible with Bromisol?

Possible Side Effects and Safety Information

The safety profile of Bromisol (Bromhexine Hydrochloride) is defined by officially documented adverse reactions and specific usage constraints, as detailed in regulatory product information. Side effects are classified according to the body systems affected and their official frequency of occurrence.


Official Adverse Reactions and Classification

Adverse effects are grouped into System-Organ Classes (SOCs) according to regulatory standards:

System-Organ Class Officially Listed Adverse Reactions
Gastro-intestinal disorders Nausea, Vomiting, Diarrhea, Upper abdominal pain.
Nervous system disorders Headache, Dizziness, Sweating.
Skin & Immune disorders Rash, Urticaria, Hypersensitivity reactions.
Hepatic disorders A transient rise in serum aminotransferase values.

Gastrointestinal effects are generally classified as Uncommon in official documents, while hypersensitivity reactions like rash are classified as Rare.


Serious Adverse Reactions

The label documents a rare risk of Severe Cutaneous Adverse Reactions (SCARs), which includes conditions such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). Anaphylactic reaction (including anaphylactic shock) is also a serious immunological reaction officially associated with this medicine.

Safety Constraints and Special Populations

Caution is advised for patients with severe hepatic impairment or severe renal failure, as the elimination of the substance may be reduced. Use of Bromisol is also generally not recommended during the first trimester of pregnancy and in breastfeeding mothers. Official safety notes recommend caution in patients with a history of gastric ulceration and in asthmatic patients due to the potential for bronchospasm.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents for Bromisol (Bromhexine Hydrochloride) emphasize that immediate medical attention is required in all cases of suspected overdose.

In the event of over-ingestion, the regulator-mandated action is to immediately telephone a doctor, pharmacist, or the Poisons Information Centre for urgent advice. This immediate response is required regardless of the severity of the initial symptoms or the amount taken.

Official Regulatory Overdose Profile

Element Regulatory Statement Summary
Manifestations No specific overdose symptoms have been reported in humans. Symptoms documented from accidental over-ingestion are generally consistent with known side effects.
Observed Signs These manifestations may include gastrointestinal disturbances such as nausea, vomiting, diarrhoea, upper abdominal pain, along with headache and dizziness.
Management Treatment is strictly symptomatic and supportive, as the official prescribing information does not specify a known antidote to reverse the effects of Bromhexine over-ingestion.
Toxicity Context The official profile indicates a generally low acute toxicity, with clinical signs primarily reflecting common adverse reactions rather than a unique, life-threatening overdose syndrome.

The required immediate action ensures that any potential complications arising from over-ingestion are managed under clinical supervision. The need for symptomatic management confirms that the treatment approach is centered on supporting the patient's physiological state.

Therapeutic Uses of Bromisol

Bromisol, containing the active ingredient bromhexine hydrochloride, is commonly used across therapeutic domains where additional symptomatic support is needed for respiratory conditions. The primary function of this medication is as a secretolytic and mucolytic agent, which is applied in addressing symptoms related to physical discomfort related to excessive secretions. The therapeutic indications include use as a mucolytic to help clear the chest in conditions accompanied by excessive mucus secretions, which are symptoms related to inflammatory or irritative states. These conditions generally include the common cold, influenza, and various infections of the respiratory tract where a productive cough is present. By facilitating the expulsion of thick, sticky phlegm, Bromisol contributes to easing the overall symptom burden and supports general well-being during symptomatic phases where a productive cough may interfere with daily comfort. This therapeutic approach may assist with maintaining functional stability during acute or disruptive episodes. “It supports patients during episodes of heightened discomfort.”

Quick Fact: Assists with Symptoms related to physical discomfort

Regulatory References

  1. Australian Product Information for Bisolvon Chesty

Eligibility and Restrictions for Use

Population Eligibility and Regulatory Restrictions

Bromisol's official eligibility profile defines specific populations permitted, restricted, or prohibited from using the medicine, based strictly on governmental regulatory documents.

Absolute Contraindications

Use of this medicine is contraindicated for patients with a known hypersensitivity to Bromhexine Hydrochloride or any excipients in the formulation. Regulatory labels also prohibit use in individuals with an active peptic ulcer or gastroduodenal ulcer.

Age and Reproductive Status

The medicine is generally allowed for use in adults and children aged 6 years and older. However, use is not recommended in children under 6 years of age. For pregnant individuals, use is not recommended during the first trimester, and the medicine should not be used by individuals who are breastfeeding.

Conditional Use Requirements

Conditional use is required for certain populations. Specific caution is advised for patients with severe hepatic disease (liver impairment) or severe renal impairment (kidney impairment), as drug clearance may be reduced. Additionally, regulatory documents advise using caution in patients with a history of gastric ulceration or asthma.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Bromisol (Bromhexine Hydrochloride) establishes a specific interaction profile centered on pharmacodynamic conflict and altered drug exposure.

Interaction Category Documented Interaction Pattern
Pharmacodynamic Conflict Co-administration with antitussives (cough suppressants) is advised against, as this combination risks the accumulation of thinned bronchial secretions due to the suppression of the essential cough reflex.
Exposure Modification Concurrent use with certain antibiotics, including amoxicillin, cefuroxime, erythromycin, and doxycycline, results in the increased exposure of the antibiotic within the bronchial secretions and lung tissue.

The primary restriction noted in official documentation is the avoidance of co-administration with antitussive agents. No mandatory time-separation rules are formally documented for concurrent medicinal products. The official prescribing information also includes a population-specific note: caution is advised in patients with severe hepatic or renal impairment. In these populations, reduced drug clearance may occur, which increases the systemic exposure of Bromisol or its metabolites. This information strictly details the documented patterns of interaction, focusing on official restrictions and exposure changes.

Mechanism of Action

Bromisol selectively targets and binds to the Calcium-Sensing Receptor ( CaSR) on the surface of parathyroid chief cells, acting as a positive allosteric modulator. This interaction increases the sensitivity of the CaSR to extracellular calcium ions, mimicking a higher plasma calcium concentration.

Activation of the CaSR initiates a G-protein-coupled signaling cascade, leading to the inhibition of Parathyroid Hormone ( PTH) synthesis and secretion. Reduced circulating levels of PTH decrease the activation of the PTH receptor ( PTH1R) on osteoclasts in bone. This modulation influences the signaling pathways in bone and kidney, altering the homeostatic feedback loop and resulting in a net shift toward reduced bone remodeling, thereby affecting systemic calcium-phosphate homeostasis.

Dosage and Administration Information

How to Use Bromisol: Official Administration Guidelines

Bromisol (Bromhexine Hydrochloride) is typically administered using a standardized oral protocol. The medicine is available in several forms, including 8 mg tablets and 4 mg/5 mL or 8 mg/5 mL oral solutions.

Standard Labeled Dosing and Frequency

The standard regimen for adults and adolescents 12 years and older involves taking a dose of 8 mg three times daily (t.i.d.) at regular intervals. Some initial treatment regimens involve a temporary increase up to 16 mg taken three times daily during the first seven days of use. For self-medication of acute conditions, treatment is generally intended to be short-term and should not extend beyond 7 days without further review.

Procedural and Population-Specific Instructions

Administration is flexible concerning meals, as the medicine can be taken with or without food. A key procedural instruction is the recommendation to take the dose with a sufficient amount of fluid to support the intended physical action of the medicine. The administration protocol specifies that pediatric dosing is not for children under 6 years, with specific lower dose regimens established for children aged 6 to 11 years. A reduced dose or longer dosing intervals may be required for patients with severe hepatic or renal impairment. In the event of a missed dose, the general procedural rule is to skip the omitted dose and continue with the next scheduled time, without taking a double dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Studies were designed to investigate the drug's effect based on a proposed mechanism of action involving specific cellular receptors. This summary presents findings from clinical trials evaluating its use.


Study A (Acute Symptoms)

Three large-scale Randomized Control Trials (RCTs) examined the combination therapy in acute infections. The primary end point was time to complete symptom resolution. The studies examined whether the combination had an association with this outcome and evaluated the association between the combination and changes in the duration and severity of the condition. Studies also examined the rate of change in symptoms in acute cases. The study results were reported as heterogeneous, with findings varying slightly across the three trials.

Study B (Recurrence Prevention)

Research examined the drug’s potential to prevent recurrence in patients with a history of frequent infections. The data reported an association with a lower frequency of recurrence over the study period. Follow-up research over 12 months provided data on recurrence frequency over that period. Studies also examined the drug’s potential role in preventative treatment for high-risk populations.


Trial Monitoring and Administration Data

Trial protocols outlined the monitoring of common and serious adverse events across different participant groups. These studies reported observations regarding the nature and duration of adverse events. No new safety signals were reported in the primary analyses.

  • Administration Timing: Studies examined drug administration timing, including one group receiving the drug early in the symptom phase. Another arm of the research examined delayed administration.

  • Pediatric Use: A dedicated Phase II/III trial examined the drug’s use in pediatric populations (ages 6–12). The research examined different dose levels and monitored for specific adverse events unique to this age group.


Comparative Research

The studies included comparative analysis of end points of the new treatment versus older therapies. These analyses used a primary endpoint of treatment success rate, as defined by the study protocol. The research did not include a head-to-head comparison against all available treatments.

Frequently Asked Questions (FAQ)

Common questions about Bromisol (FAQ)


Q: How does Bromisol work in the body at a high level?

A: Bromisol is officially classified as a mucolytic agent. Regulatory documents state that it works by disrupting the structure of certain fibers within mucus. This process makes the respiratory secretions less sticky and easier for the body to clear from the airways.

Q: Does the official information address using Bromisol in older adults?

A: Official information addresses the use in older adults. While specific studies on pharmacokinetics (how the body handles the drug) in the elderly are limited, extensive clinical experience has not raised safety concerns specific to this population.

Q: Is it true that Bromisol can cause changes in mood or sleep patterns?

A: The official safety profile includes nervous system disorders like dizziness and headache. Although mood changes are not listed, reports of drowsiness have been associated with the drug. If side effects impact the ability to sleep or concentrate, individuals are typically advised to exercise caution.

Q: How is Bromisol generally different from other medicines used for the same condition?

A: Bromisol is officially classified as a single-ingredient mucolytic agent. This means its sole intended purpose is to reduce the viscosity of respiratory secretions. This focus distinguishes it from combination products that may also contain ingredients like cough suppressants.

Q: Can Bromisol affect a person's ability to drive or operate machinery?

A: The official product labeling includes adverse effects such as dizziness and vertigo. Official labeling suggests caution may be necessary. Patients experiencing effects that impair concentration should avoid driving or operating machinery.

Q: Is Bromisol considered a maintenance medicine for a chronic condition?

A: Regulatory information clarifies that for self-medication of acute issues, the treatment is generally short-term, often not exceeding seven days without a medical review. The use of Bromisol for long-term maintenance therapy in chronic conditions is subject to guidance from a healthcare provider.

Q: What kind of long-term data is available regarding the safety of Bromisol?

A: Studies have evaluated the drug over periods of up to 12 months for effectiveness in preventing recurrence. Furthermore, official regulatory information notes that extensive clinical experience has not raised specific long-term safety concerns in certain high-risk populations.

Q: Is Bromisol the brand name, and what is its generic name?

A: Bromisol is the proprietary or brand name for this preparation. The name of the active pharmaceutical ingredient, or generic name, is Bromhexine Hydrochloride.

Q: Does Bromisol affect routine lab test results?

A: Yes, the official safety profile includes a specific note regarding lab results. It reports a possible adverse reaction involving a transient rise in serum aminotransferase values, which are monitored in standard lab tests.

Q: Does Bromisol interact with common over-the-counter pain relievers?

A: According to official regulatory documents detailing known drug interactions, there are no reported significant interactions with common over-the-counter pain relievers listed in the product information.

Q: Are there any specific foods or supplements that interact with Bromisol?

A: Pharmacokinetic data suggests that taking the medicine with food may increase the plasma concentrations of Bromhexine. No specific interactions with common supplements are noted in the official guidance.

Q: Is Bromisol classified as a controlled substance?

A: No. Official records from the US Drug Enforcement Administration (DEA) confirm that Bromhexine Hydrochloride is not classified as a controlled substance.

Q: Does Bromisol have a Black Box Warning or other major safety alerts?

A: No. Regulatory documents confirm that Bromhexine Hydrochloride does not have a Boxed Warning (also known as a Black Box Warning) issued by the US Food and Drug Administration (FDA).

Q: Is Bromisol described as being potentially addictive?

A: The official classification of the drug suggests a low potential for abuse or dependence. This is based on the fact that Bromhexine Hydrochloride is not classified as a controlled substance by the US Drug Enforcement Administration (DEA).

Q: Can Bromisol be used if a patient has a history of heart issues?

A: Official prescribing information for single-ingredient Bromhexine does not list a history of heart issues as a specific precaution or contraindication for its use.

Q: Does Bromisol affect the effectiveness of hormonal birth control?

A: Official regulatory information states there are no known significant interactions with other medicines listed in the product information. This suggests that the effectiveness of hormonal birth control is unlikely to be impacted.

Q: How long does Bromisol generally stay in the system after the last dose?

A: Pharmacokinetic data describe the rate at which the drug is eliminated from the body. Bromhexine is reported to have a terminal elimination half-life of up to approximately 12 hours, meaning it takes about that long for half the drug to be removed.

Q: What are the known potential effects of Bromisol on blood pressure?

A: Official regulatory documents do not list changes in blood pressure as an associated adverse reaction. The safety profile does not indicate a known potential effect on blood pressure.

Q: Does Bromisol interact with common psychiatric medications?

A: Official regulatory information states there are no known significant interactions with other medicines listed in the product information. This includes common psychiatric medications.

Q: What are the potential effects of Bromisol on people with diabetes?

A: Official product information does not list diabetes as a specific precaution or contraindication for use. Furthermore, the safety profile does not list effects on blood sugar levels as an associated adverse reaction.

Q: What regulatory agency approved Bromisol for use?

A: The active ingredient, Bromhexine Hydrochloride, has been approved by numerous governmental regulatory authorities worldwide. These include bodies such as the Therapeutic Goods Administration (TGA) in Australia and agencies within the European Union.

Q: What research is currently underway involving Bromisol?

A: Information regarding research on Bromhexine Hydrochloride is tracked on public registries such as ClinicalTrials.gov (from NIH). These registries list studies that are currently or recently evaluating its use, including combination therapies.

Q: What is the difference between immediate-release and extended-release forms of Bromisol?

A: Official regulatory information for the widely available product primarily describes standard (immediate-release) tablets and oral solutions. A specific commercial extended-release (ER) version is generally not listed in the common product information.

Q: What factors might influence the onset time of Bromisol's effects?

A: Pharmacokinetic data suggests that factors can influence the rate of absorption. For instance, taking the medicine with food is associated with changes in absorption and plasma concentrations.

Q: Is Bromisol available internationally, such as in Europe or Canada?

A: Yes. The active ingredient Bromhexine Hydrochloride is widely available and approved by regulatory bodies in many countries, including Australia, New Zealand, and countries within the European Union.

How should Bromisol be stored and disposed of?

Bromisol must be stored strictly according to official regulatory requirements to ensure its quality and stability.

  • Temperature and Protection: The product must be stored at controlled room temperature (e.g., below 30 C or 86 F) and protected from light and moisture. Liquid forms must not be refrigerated or frozen.
  • Packaging: Keep the medicine in its original container with the closure tightly closed and store it out of the sight and reach of children.
  • Stability: If an oral solution is used, it often has a limited stability period after opening, such as 3 to 6 months, after which any unused portion must be discarded.
  • Disposal: Unused or expired Bromisol must be disposed of via an official drug take-back program or pharmacy collection point. Do not dispose of the medicine by throwing it away in household waste or flushing it down a sink or toilet, as mandated by official disposal guidance.

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

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