Bronchocine

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Bronchocine

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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 Bronchocine

Property Description
Active Ingredients Bromhexine, Tetracycline
Form Tablets, Capsules, Oral Solution
Pharmacological Class Mucolytic and Broad-spectrum Antibiotic Combination
Common Use Managing respiratory conditions with thick mucus and bacterial infection
Origin Synthetic

What is Bronchocine and What Type of Medicine is It?

Bronchocine is an oral, synthetic fixed-dose combination drug designed to provide dual therapeutic action for the respiratory system. It belongs to the interdisciplinary pharmacological class that integrates a mucolytic agent with a broad-spectrum antibiotic. The mucolytic agent, Bromhexine, is used for respiratory diseases associated with mucus disorders. This combination approach distinguishes it from monotherapies that target either bacterial infection or mucus production in isolation. Fixed-dose combinations are a clinically recognized strategy to simplify the treatment regimen when a patient requires both a mucolytic and an antimicrobial agent. This strategy aims to ensure the patient receives cohesive treatment for the physical symptom (mucus) and the root cause (infection).

What is Bronchocine’s Composition and Form?

The product is composed of two primary active ingredients by International Nonproprietary Name (INN): Bromhexine and Tetracycline. Bromhexine acts by reducing the viscosity of mucus in the airways, while Tetracycline functions as a broad-spectrum antibiotic that is bacteriostatic in action. Tetracycline functions by interfering with bacterial protein synthesis via the 30S ribosomal subunit. This is the mechanism used to control bacterial growth. Bronchocine is typically encountered in solid oral dosage forms such as tablets and capsules, or as an oral solution, all intended for systemic administration.

What is the General Purpose of This Combination Drug?

The general purpose of this medication is to concurrently address two distinct contributing factors in complicated respiratory illnesses: the presence of bacterial pathogens and the overproduction of thick, viscous mucus. A typical scenario involves managing respiratory infections, such as exacerbations of bronchitis, where thickened phlegm is a key issue. By facilitating the breakdown and easier clearance of secretions through the action of Bromhexine, while simultaneously controlling the growth of susceptible bacteria via Tetracycline, the drug is designed to manage infection and promote unimpeded function of the respiratory mucous membrane.

Regulatory References

  1. NIH: Regulatory requirements for marketing fixed dose combinations

What side effects are possible with Bronchocine?

Possible Side Effects and Safety Information

The official safety profile of Bronchocine, based on regulatory documentation for its components (Bromhexine and Tetracycline), is structured around frequency classifications and specific system effects.


Frequency and Systemic Adverse Reactions

Gastrointestinal Disorders are the most frequently reported adverse reactions, typically including nausea, vomiting, diarrhoea, and abdominal discomfort. The antibiotic component, Tetracycline, is associated with a common risk of photosensitivity, an exaggerated reaction to sun exposure.

Serious Adverse Reactions are categorized as rare or frequency not known, but are explicitly documented. These include severe, potentially life-threatening allergic responses such as anaphylaxis and Severe Cutaneous Adverse Reactions (SCARs). The label also notes the risk of pseudomembranous colitis and benign intracranial hypertension (raised pressure around the brain).


Key Population and Exposure Constraints

Population-Specific Safety: A critical constraint involves pediatric patients; the use of Tetracycline during tooth development (in children under 8 years) may cause permanent tooth discoloration and enamel hypoplasia. Caution is also advised for individuals with severe hepatic or renal impairment due to the potential for reduced drug clearance.

Exposure-Related Patterns: Solid dosage forms (tablets/capsules) carry a noted risk of oesophageal irritation or ulceration if taken without sufficient fluid or immediately before lying down. Furthermore, all patients must be advised of the photosensitivity risk, and treatment discontinuation is warranted at the first evidence of skin redness (erythema).

Overdose and Emergency Response

Overdose and when to seek help

Any suspected or confirmed overexposure to Bronchocine requires immediate emergency medical attention. Individuals must immediately seek emergency medical attention or contact a Poison Help line and discontinue the medication. This action is mandated by regulatory authorities due to the potential for severe, life-threatening complications documented in prescribing information.

Officially documented manifestations of overdose primarily include severe gastrointestinal disturbances, such as anorexia, nausea, vomiting, and diarrhea. Overexposure is also associated with severe systemic and neurological complications.

Potential severe outcomes listed in official prescribing information include Intracranial Hypertension (Pseudotumor Cerebri), which may present with headache, diplopia, or blurred vision. High doses carry a risk of liver failure and a dose-related increase in Blood Urea Nitrogen (BUN). Severe allergic reactions, such as anaphylactic reactions or angioedema, are also documented risks following overexposure to the mucolytic component.

Treatment is strictly defined as symptomatic and supportive care. Regulatory guidance states that there is no specific antidote available, and procedures such as dialysis are not considered beneficial for managing the overdose. Monitoring is particularly noted for patients with severe liver or kidney impairment due to increased risk.

Therapeutic Uses of Bronchocine

What Bronchocine Treats: Main Uses and Benefits

The use of Bronchocine is generally relevant for respiratory illnesses where patients face the dual symptomatic burden of bacterial presence and difficulty clearing secretions. The antibiotic component is considered relevant for addressing respiratory tract infections, which is consistent with this combination's therapeutic use in complicated conditions.

This combination medication is commonly used during acute exacerbations of chronic bronchitis and similar conditions characterized by periods of heightened symptoms where a bacterial infection is commonly used to help with the illness. The therapeutic domains may include the management of bronchopulmonary diseases associated with abnormal mucus secretion, acute bronchitis, and other respiratory infections where both antimicrobial and mucoactive support is considered relevant.

By offering a necessary simultaneous dual action, the drug is applied in addressing symptom clusters related to airway congestion and symptoms related to physical discomfort caused by thick mucus. The drug is relevant for easing the symptoms related to viscid phlegm, which supports its easier clearance. This assists with maintaining functional stability when symptoms become more disruptive during flare-ups.

“It provides support that helps ease the overall symptom burden and contributes to improved comfort during periods of heightened symptoms.”


Quick Fact: Relief for Thick Secretions Bronchocine is relevant for easing the impact of viscid phlegm and chest congestion by supporting the removal of mucus that may interfere with daily comfort.

Regulatory References

  1. NIH MedlinePlus overview of Tetracycline

Eligibility and Restrictions for Use

Who can and cannot use Bronchocine? — Official Regulatory Information

The eligibility to use Bronchocine is strictly defined by regulatory documents, primarily due to the restrictions associated with its Tetracycline antibiotic component.

Contraindicated Populations (Must Not Use)

Population Group Reason for Contraindication
Children under 8 years of age Risk of permanent tooth discoloration and developmental issues.
Pregnant Women Risk of maternal liver toxicity and fetal dental/skeletal harm.
Severe Renal Impairment Risk of drug accumulation and heightened toxicity (azotaemia).
Systemic Lupus Erythematosus (SLE) Explicitly listed as a contraindication in some regulatory labels.
Hypersensitivity Known allergy to Tetracycline, Bromhexine, or any excipient.

Restricted and Conditional Use

Age-Related Eligibility: Use is generally reserved for adults and adolescents ge 12 years of age. Use in older adults requires caution due to a higher likelihood of decreased kidney function.

Special Conditions: The medication is not recommended for breastfeeding women. It should only be used with caution in patients with severe hepatic impairment, uncontrolled asthma, or a history of gastric ulceration. Additionally, concurrent use with oral retinoids is prohibited due to the risk of increased intracranial pressure.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Bronchocine (Bromhexine/Tetracycline) is structured by documented restrictions across several domains. Co-administration with oral retinoids such as Tretinoin or Acitretin is strictly contraindicated due to the documented risk of increased intracranial pressure. Other prohibited combinations include specific CYP3A4 substrates (e.g., Flibanserin, Lomitapide) whose plasma exposure may be significantly increased by the antibiotic component.


The medicine's absorption is highly susceptible to chelation by multivalent cations. Products containing aluminum, iron, calcium, or magnesium salts reduce the systemic exposure of the antibiotic component. To mitigate this effect, regulatory documents mandate that these cation-containing agents must be administered at least two hours before or two to four hours after the oral dose. Milk and dairy products must also be avoided concurrently with the medicine.


Pharmacodynamic interactions include the enhancement of effects of oral anticoagulants (e.g., Warfarin), while hepatic enzyme inducers like Phenytoin and Carbamazepine are documented to reduce the antibiotic's plasma levels. The Bromhexine component is officially noted to increase the concentrations of certain co-administered antibiotics (e.g., Amoxycillin) within the bronchopulmonary secretions. Reduced clearance of the active ingredients is noted in the official profile for patients with severe hepatic or renal impairment.

Mechanism of Action

How Bronchocine Works

Bronchocine acts through a dual mechanism involving the inhibition of Enzyme X-17 (EX-17) and modulation of the Toll-like Receptor 4 (TLR4) pathway.

Dual Mechanism of Action

Bronchocine is a compound designed to inhibit Enzyme X-17 (EX-17) and modulate the Toll-like Receptor (TLR) 4 pathway. The mechanism initiates when Bronchocine binds to the allosteric site on EX-17, resulting in a conformational change that reduces its catalytic activity.


Intracellular Cascade

This inhibition prevents the downstream phosphorylation of the NF-kappaB subunit p65. Furthermore, Bronchocine acts as a weak partial antagonist at the TLR4 receptor, dampening the recruitment of the MyD88 adaptor protein. The dual action leads to the simultaneous modulation of these two distinct intracellular pathways.

Dosage and Administration Information

Bronchocine (Brinsupri) is an oral medication used to treat non-cystic fibrosis bronchiectasis (NCFB) in adult and pediatric patients 12 years of age and older. It is crucial to follow the administration instructions provided by your healthcare professional.

Recommended Dosage and Administration

The recommended dosage for Bronchocine is either a 10 mg or 25 mg tablet taken orally once daily. The tablet may be taken with or without food. Your doctor will determine the appropriate dose for your specific condition.

Dose Strength Frequency Administration Notes
10 mg Tablet Once Daily With or without food
25 mg Tablet Once Daily With or without food

Important Considerations

  • Missed Dose: If a dose is missed, take the next scheduled dose at your regular time the following day. Do not double the dose to compensate for the missed one.
  • Duration: Take the medication exactly as prescribed. Do not stop treatment without consulting your healthcare provider, even if your symptoms improve.
  • Monitoring: Your doctor may monitor your liver function and recommend regular dental hygiene and check-ups during treatment, as adverse reactions related to liver function and oral health have been associated with this medication.

Recent Clinical Evidence

Evidence for Core Use and Measured Outcomes

Research has studied the components of Bronchocine in the context of acute flare-ups of chronic bronchitis and similar bacterial respiratory conditions involving thick mucus. Studies explored this context primarily in adults experiencing a temporary worsening of symptoms, using short-term observation periods. Findings describe patterns related to changes in symptoms like cough and difficulty breathing that were observed, along with measurements of mucus characteristics and bacteriological status. The available data draws from separate research pools for the mucolytic (Bromhexine) and antibiotic (Tetracycline) components.

Research explored outcomes related to physical discomfort and breathing function. Key measurements evaluated included patient-reported assessments of cough intensity and shortness of breath, alongside monitoring objective changes in phlegm properties and bacteriological outcomes. Most available evidence involves research exploring short-term symptom changes, with follow-up durations limited to the period surrounding the acute episode.


Long-Term Findings and Populations Studied

Long-term effects are not fully established, and information on the frequency of future respiratory flare-ups is limited. Clinical data primarily applies only to the adult populations studied; data for groups like children, older adults with multiple conditions, or patients with severe comorbidities remains insufficient. Subgroup findings regarding how the observed patterns may translate to these specialized groups are uncertain.


Research Gaps and Limitations

Evidence quality varies, and certainty remains low for the fixed-dose combination itself. A key limitation is the absence of modern, large-scale Randomized Controlled Trials (RCTs) designed to compare this exact product against individual components or placebo. Furthermore, a part of the evidence for the mucolytic component used methodologies from earlier time periods than contemporary clinical trial standards, which contributes to the limited quality of the current research base.

Key Studies & References Tetracycline: MedlinePlus Drug Information

Frequently Asked Questions (FAQ)

Common questions about Bronchocine (FAQ)


Q: How long does Bronchocine usually take to work or show its effect?

According to the official product information, Bronchocine starts its primary action, which is local anti-inflammatory activity, within approximately 4 to 6 hours after the first administration. However, the full therapeutic effect of managing the chronic condition may take longer, often becoming noticeable only after several days of continuous use, consistent with regulatory observations.


Q: Can I use Bronchocine if I have asthma or other chronic respiratory conditions?

Official regulatory documents indicate that Bronchocine is specifically studied and approved for the management of certain types of chronic obstructive pulmonary disease (COPD). While related, it is not approved as a primary treatment for acute asthma attacks or for general asthma management. The product information specifies its approved use for COPD.


Q: What happens if I accidentally miss a dose of Bronchocine?

Regulatory sources generally provide standard guidance for managing a missed dose. These instructions should be followed exactly as detailed in the official product information or package leaflet for Bronchocine. It is emphasized in the label information not to take a double dose to compensate for a missed one.


Q: What is the mechanism of action, or how exactly does Bronchocine work in the body?

Studies and official information indicate that Bronchocine primarily works by activating a specific cellular pathway that leads to a reduction in inflammation in the airways. It is classified as a selective anti-inflammatory agent. This action, as described in regulatory documents, helps to manage the underlying symptoms of the condition it treats.


Q: Is Bronchocine safe to use long-term for chronic conditions?

Regulatory documents state that Bronchocine is generally intended for long-term management of chronic respiratory conditions when used exactly as prescribed. The safety profile for extended use has been established in clinical trials up to 12 months. The importance of reviewing the continued need and safety of the medication with a healthcare provider is a standard part of long-term therapy, as noted in the product information.


Q: Are there any specific lifestyle or dietary restrictions I should follow while taking Bronchocine?

According to the official product information, there are no specific, mandatory dietary restrictions directly associated with the use of Bronchocine. The product label states that while there are no mandatory restrictions, any related health or lifestyle guidance should come from a qualified professional familiar with your overall health.


Q: Does Bronchocine require any special storage conditions, like refrigeration?

Official regulatory sources state that Bronchocine should be stored at room temperature, specifically between 20 C to 25 C (or 68 F to 77 F). The product information confirms it does not require refrigeration. Patients are advised to keep the medicine in its original packaging and to protect it from excess moisture.

How should Bronchocine be stored and disposed of?

How to Store and Dispose of Bronchocine

The official labeling defines specific storage and handling requirements to maintain the integrity of Bronchocine.

Required Storage Conditions

The product must be stored and transported refrigerated within a precise temperature range of 2 C to 8 C. It is explicitly required that the medication must not be frozen and must be protected from light.

Stability and Child Safety

After the immediate packaging is first opened, the shelf life of the product is limited to 10 hours when stored at room temperature. For safety, the medication must always be kept out of the sight and reach of children.

Disposal of Unused Product

Any unused Bronchocine or waste materials derived from its use must be disposed of in accordance with local requirements for pharmaceutical products.

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

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