Bronkolin

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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 Bronkolin

Property Description
Active Ingredient Choline Theophyllinate (Oxtriphylline)
Form Tablet, Capsule, Syrup, Solution for Nebulization
Pharmacological Class Bronchodilator; Xanthine Derivative
General Purpose Sustained support for maintaining open airways
Origin Synthetic Salt Form

What Type of Medicine is Bronkolin (Choline Theophyllinate)?

Bronkolin is a systemic pharmaceutical preparation classified as a bronchodilator used to maintain open airways in chronic respiratory conditions. Its active ingredient is Choline Theophyllinate, which is chemically defined as the choline salt of the potent methylxanthine, Theophylline, and is also known by its synonym, Oxtriphylline. This compound is a synthetic drug derived from the xanthine derivative class, placing it within the pharmacological group of systemic drugs for obstructive airway diseases. The primary action of xanthine derivatives includes smooth muscle relaxation, particularly in the bronchioles. As a result, the medication directly targets the muscles responsible for tightening the airways. The formulation's design makes it clinically recognized for providing a reliable systemic effect, differentiating it from topically applied or rapidly acting inhalers. The specific salt form of theophylline is engineered to potentially offer improved stability and better tolerability compared to the basic compound, reflecting its identity as a designed medicine for long-term therapeutic use.


Composition, Forms, and General Therapeutic Purpose

The medicine is constructed as a single-ingredient product, containing only Choline Theophyllinate as the active entity. The primary purpose of Bronkolin is to provide sustained support for stable respiratory function by promoting the relaxation of bronchial smooth muscle. Theophylline is utilized for long-term control rather than acute relief. This indicates its use is focused on sustaining daily respiratory health, not an immediate fix for a sudden breathing crisis. To accommodate the need for continuous therapy across patient groups including adults and children, Bronkolin is available in multiple dosage forms, including tablets and capsules for oral administration, as well as specialized syrups or solutions for nebulization for inhalation use. The existence of various formulations, notably sustained-release options, ensures that the drug can be administered effectively to maintain clearer air passages, helping patients breathe more freely and stabilizing the airway status associated with chronic conditions.

Regulatory References

  1. Theophylline: MedlinePlus Drug Information

What side effects are possible with Bronkolin?

Possible Side Effects and Safety Information: Bronkolin

The safety profile for Bronkolin (Choline Theophyllinate) is defined by its narrow therapeutic index, meaning the margin between an effective concentration and a concentration that may cause toxicity is small. The frequency and severity of adverse reactions are officially documented to increase significantly when serum concentrations exceed the established safe range.


Officially Documented Adverse Reactions

Adverse effects are commonly categorized by the organ systems involved. The most frequently reported reactions are generally common and include effects on the gastrointestinal and nervous systems:

  • Gastrointestinal Disorders: Nausea, vomiting, diarrhea, and abdominal discomfort.
  • Nervous System Disorders: Headache, insomnia, restlessness, irritability, and muscle tremors.
  • Cardiac Disorders: Palpitations and tachycardia (fast heart rate).

Serious Adverse Reactions and Risk Factors

Regulatory documents identify rare but clinically important reactions, particularly when serum concentrations are elevated. These serious adverse reactions include seizures (convulsions) and life-threatening cardiac arrhythmias (irregular heart rhythms).

The safety information highlights specific populations where the risk of drug accumulation is increased due to slower clearance, including older adults and patients with severe hepatic impairment (liver disease). The medicine is contraindicated in individuals with known hypersensitivity to xanthine derivatives or certain pre-existing conditions, such as recent myocardial infarction or acute tachycardia. The overall risk profile is strictly structured around the principle that adverse events are dose-dependent and become more likely during dose escalation or in the presence of factors that inhibit drug clearance.

Overdose and Emergency Response

Overdose with the active component of Bronkolin (Choline Theophyllinate) carries the risk of severe systemic toxicity, which is defined by documented regulatory sources. Initial manifestations may include severe and continued vomiting, abdominal pain, diarrhea, tremors, headache, and a rapid heart rate (tachycardia).

The most serious outcomes officially associated with overdose are life-threatening neurological and cardiovascular events. These include seizures (convulsions), which can progress to status epilepticus, and ventricular arrhythmias leading to the possibility of cardiac arrest. Physiological findings often include significant Hypokalemia and Metabolic Acidosis.

Immediate Medical Help is Required

According to regulatory guidance, immediate medical attention must be sought if an overdose is suspected or if signs of severe toxicity occur, such as a seizure, rapid, irregular heart rate, or persistent, severe vomiting. Fatalities have been reported in connection with acute overdose.

Management involves supportive and symptomatic treatment, including the administration of activated charcoal to reduce absorption. Due to the risk of severe complications, hospital monitoring and continuous cardiac monitoring are necessary. Enhanced elimination procedures like hemodialysis are indicated for high drug concentrations or clinical instability. Toxicity may be delayed in patients using sustained-release formulations, and specific populations, including the elderly and those with liver disease, are noted to have an increased risk of toxicity.

Therapeutic Uses of Bronkolin

What Bronkolin Treats: Main Uses and Benefits

Bronkolin (Choline Theophyllinate) is commonly used to help manage the symptoms related to physical discomfort in certain lung conditions. As a treatment option, this medication provides systemic support primarily within a maintenance therapy plan for chronic conditions like bronchial asthma, COPD, and its components, chronic bronchitis and emphysema. It helps address symptom clusters that become intense or disruptive, such as recurrent wheezing, persistent chest tightness, and episodes of shortness of breath.


The medication may be applied in addressing these symptomatic manifestations, which create noticeable physiological strain, offering supportive relief to help improve day-to-day comfort. It is particularly relevant for managing breathing issues that occur overnight, helping to manage recurrent nocturnal asthma symptoms where flare-ups become more disruptive. A key practical benefit is improved airflow, which may assist with maintaining functional stability.

“This type of support may assist with easing symptoms that interfere with daily functioning.”


Quick Fact: Relief for Recurrent Wheezing

Regulatory References

  1. NIH MedlinePlus Drug Information overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Bronkolin (Choline Theophyllinate)?

The eligibility profile for Bronkolin (Choline Theophyllinate) is strictly defined by regulatory documents, outlining which populations are permitted, restricted, or prohibited from using the medicine. Absolute use is prohibited (contraindicated) for individuals with known hypersensitivity to any xanthine derivative, those with active peptic ulcer disease, or those with a pre-existing seizure disorder. The medicine is also strictly contraindicated for infants under six months of age.


Populations Requiring Restricted or Conditional Use

Population or Condition Regulatory Status
Organ Function Impairment Severe hepatic impairment and renal impairment due to documented reductions in drug clearance.
Age-Specific Groups Older adults (typically over 60 years) require close monitoring. Specific oral forms are not recommended for children under six or ten years of age, depending on the regulatory region.
Physiological/Comorbid States Use is conditional during pregnancy and lactation. Caution is required in certain cardiac conditions or during episodes of sustained high fever or acute viral illness, as these states reduce the medicine's clearance and necessitate monitoring.

This defined structure reflects the formal regulatory classification used by government health authorities to establish population-level constraints and specific conditions for safe use.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interactions involving Bronkolin (Choline Theophyllinate) are primarily defined by how other substances affect the plasma concentration of its active component, Theophylline. Official regulatory documents classify these events as clinically significant due to Theophylline's narrow therapeutic index.

Pharmacokinetic and Pharmacodynamic Interactions

Co-administration with certain medicinal products is documented to modify Theophylline's systemic exposure. Ciprofloxacin, a fluoroquinolone antibiotic, is known to decrease Theophylline clearance, which can lead to increased serum concentrations. Conversely, drugs such as the anticonvulsant Carbamazepine are documented to increase clearance, potentially resulting in decreased Theophylline levels.

Specific combinations are formally restricted or contraindicated in official labeling. This includes co-administration with products such as Riociguat and Viloxazine due to severe interaction risks. A pharmacodynamic interaction is documented when Theophylline is co-administered with Adenosine receptor agonists (e.g., Regadenoson), where the methylxanthine can counteract the agonist’s effect.

Dietary and Administration Constraints

Interactions with specific food products are also officially documented. When Theophylline is administered alongside enteral (tube) feedings, a reduction in absorption may occur. To manage this pharmacokinetic interference, mandatory timing rules require that the feeding be interrupted for one hour before and one hour after the Theophylline dose. Furthermore, regulatory sources note that reduced Theophylline clearance is documented in populations such as the elderly or those with impaired liver function.

Mechanism of Action

The physiological effects of Bronkolin are driven by its active moiety, Theophylline, which engages three core mechanistic domains to alter cellular signaling and muscle tone.


Dual Mechanism: Airway Smooth Muscle Relaxation

This domain involves the primary effect of Theophylline as a non-selective competitive inhibitor of Phosphodiesterase (PDE) enzymes, particularly PDE3 and PDE4, within bronchial cells. Inhibition of these enzymes causes an accumulation of the messenger molecule, cyclic AMP (cAMP), which ultimately induces the relaxation of bronchial smooth muscle tissue. This molecular action leads to the relaxation of bronchial smooth muscle, resulting in a change in airway diameter and airflow dynamics.


Suppression of Airway Reactivity and Inflammation

This mechanism involves non-selective antagonism of adenosine receptors ( A1, A2 B), which inhibits the cellular release of bronchoconstricting mediators. Separately, the drug acts within the cell nucleus by protecting the anti-inflammatory enzyme Histone Deacetylase 2 (HDAC2) from inactivation, thereby facilitating the suppression of pro-inflammatory gene expression.


Alteration of Respiratory Muscle Function

The drug provides an action by increasing the intrinsic contractility and reducing the susceptibility to fatigue of skeletal muscles, notably the diaphragm and associated muscles of respiration. This physiological consequence increases the force and endurance of the respiratory muscles, which acts in parallel with the effects on muscle tone and inflammatory pathways.

Dosage and Administration Information

Official Administration Guidelines

Bronkolin (Choline Theophyllinate), as a source of Theophylline, is designated as a Narrow Therapeutic Index (NTI) drug, meaning small differences in blood concentration can affect its therapeutic outcome. Because of this, its use is managed through individualized protocols based on the specific needs of the patient.


Dosing Protocol and Administration

Entity General Administration
Route of Administration Primarily Oral via tablets, capsules, or solutions for maintenance. Intravenous administration is reserved for acute use.
Dosing Schedule Highly individualized; the goal is to maintain a therapeutic serum theophylline concentration between 10 and 15 mcg/mL. Doses are adjusted in small increments, often 10% to 25% of the current dose.
Frequency Pattern Typically Daily dosing. Extended-release forms are often taken once daily or divided twice daily (e.g., every 12 hours).
Preparation Requirements Oral liquid forms must be measured using a marked measuring device (not a household spoon) for precise dosing.
Handling Oral Forms Extended-release tablets and capsules must be swallowed whole and should not be crushed, broken, or chewed, as this can affect the intended release rate.

Population-Specific Use and Monitoring

Therapeutic Drug Monitoring (TDM) is a standard clinical procedure when initiating therapy, before dose increases, or whenever a change in clinical status or medication may alter the drug's clearance.

Dosage adjustments are specifically required for certain populations. For Older Adults (over 60 years) and patients with Hepatic Impairment (e.g., cirrhosis), a lower total daily dose is typically needed, often not more than 400 mg per day in older adults, due to reduced clearance. Dosing for Pediatric Patients is calculated on a weight-basis (mg/kg/day) and requires careful supervision. If a dose is missed, standard practice is to take the next scheduled dose and do not double the dose.

Recent Clinical Evidence

Research evidence / Overview of Studies for Bronkolin

This overview summarizes the formal research studies and clinical trials that have investigated the use of Choline Theophyllinate (Bronkolin), focusing only on the types of evidence that exist and what those studies examined, without providing any medical recommendations or advice.


Evidence for Use in Chronic Bronchial Asthma

Research has explored the use of the active ingredient in people with chronic bronchial asthma, including those who experience significant discomfort during the night. These investigations primarily rely on Randomized Controlled Trials (RCTs) and controlled clinical trials, which are controlled study designs often utilized in drug evaluation. Researchers monitored objective outcomes related to airway function and applied studies examining patient-reported experiences of nocturnal symptoms, such as wheezing and chest tightness. Findings describe patterns observed in the studies over short-term durations, indicating that research has explored its role in contexts involving temporary physiological imbalance, particularly at night. However, research exploring characterizing long-term outcomes over follow-up periods exceeding one year remains limited.


Evidence for Use in Chronic Obstructive Pulmonary Disease (COPD)

The evidence base for its use in Chronic Obstructive Pulmonary Disease (COPD) has been evaluated in various research settings, including long-term RCTs, broad observational settings, and comprehensive meta-analyses. Research examined outcomes related to lung function and episodic changes, such as the frequency of severe events known as exacerbations. Despite multiple studies, the findings were mixed regarding the medicine's role in certain critical outcomes, specifically exacerbation rates when the drug was used alongside standard inhaled therapies. Furthermore, long-term observational studies show patterns related to chronic use, but the overall certainty remains low due to variability across studies.


What Remains Uncertain About Bronkolin Research

Key research limitations remain in the evidence base for the active ingredient. The most notable gap is the inconsistency in reported findings from large, recent studies concerning its role in reducing the frequency of acute, disruptive episodes (exacerbations) in COPD. Additionally, the comparative evidence is lacking for many long-term outcomes, and studies sometimes focus on physiological measures, which may provide limited insight into overall long-term patient well-being. Data for certain groups remain insufficient, and research is ongoing to provide deeper context.

Frequently Asked Questions (FAQ)

Common questions about Bronkolin (FAQ)

Q: What is the main reason Bronkolin is prescribed?

According to official regulatory documents, the active ingredient in Bronkolin is prescribed to help manage symptoms associated with certain chronic respiratory conditions. Its primary use is in treating asthma and Chronic Obstructive Pulmonary Disease (COPD) caused by reversible airflow obstruction.


Q: Is Bronkolin the same kind of medicine as other common treatments for the condition it treats?

No. Official product information classifies the active ingredient in Bronkolin as a methylxanthine derivative. This mechanism of action is distinct from common treatments like inhaled steroids or quick-relief bronchodilators.


Q: How quickly does Bronkolin usually start working after taking it?

Studies on the active ingredient indicate that immediate-release forms begin to exert their effect relatively quickly. Peak concentrations in the blood, which correspond to the maximum anticipated effect, are typically reached within one to two hours following an oral dose.


Q: Does Bronkolin have a warning about driving or operating machinery?

Official warnings mention the possibility of nervous system side effects, such as headache, dizziness, and irritability. Regulatory documents note that the potential for these effects should be considered before engaging in activities that require concentration, like driving or operating machinery.


Q: Is there any information about Bronkolin use during pregnancy in regulatory documents?

Regulatory information indicates that the active ingredient may pose risks based on adverse effects observed in animal studies. Use during pregnancy is an individualized consideration that requires professional discussion, even though potential benefits may warrant use in certain circumstances.


Q: Is Bronkolin related to or similar to steroid medicines?

No, the active ingredient is not a steroid. Official drug mechanisms describe it as a methylxanthine that works by inhibiting certain enzymes and blocking adenosine receptors, which helps relax airway smooth muscle.


Q: Is there a known 'ceiling effect' for Bronkolin's purpose?

Official guidance emphasizes that the medication has a narrow therapeutic range. Serum concentrations exceeding the established range significantly increase the risk of serious side effects and may not provide further therapeutic benefit.


Q: Can Bronkolin be used alongside herbal supplements?

Regulatory documents suggest that some herbal supplements, such as St. John's Wort, may affect how the body processes the active ingredient. Information on interactions suggests reviewing concurrent use of all supplements with a professional, as changes in drug concentration can occur.


Q: What should I do if I experience a potential interaction with Bronkolin?

Regulatory documents describe that immediate professional medical attention or contact with emergency services is appropriate if an interaction or signs of toxicity are suspected.


Q: Is Bronkolin a controlled substance?

No. The active ingredient in Bronkolin is a prescription-only medication, but it is not classified as a controlled substance under the US Controlled Substances Act.


Q: Does Bronkolin treat the cause of the condition or just the symptoms?

The mechanism of action for the active ingredient suggests it performs dual roles. It directly relaxes airway smooth muscle, which addresses immediate symptoms. It also has properties that can suppress certain aspects of airway inflammation, which acts as a modifier of the underlying condition.


Q: Are there different strengths of Bronkolin available?

Yes. According to official product listings, the active ingredient is manufactured and supplied in various strengths across different dosage forms, including immediate-release and extended-release tablets or capsules.


Q: What is the inactive ingredient in Bronkolin?

Inactive ingredients are components other than the active medicine that are necessary to form the tablet or capsule. These ingredients vary depending on the specific manufacturer and product form, but examples include different fillers and binding agents.


Q: Are there reports of Bronkolin interacting with alcohol?

Official patient information indicates that alcohol consumption can affect the way the drug is absorbed by the body, particularly with extended-release forms. This change in absorption may lead to a potentially increased risk of adverse effects.


Q: If I am taking vitamins, could they interfere with Bronkolin?

Yes, some regulatory guidance notes that the active ingredient may affect the metabolism of certain vitamins. For instance, supplementation with Vitamin B6 might be necessary in some cases, indicating that interference is possible.


Q: Does official guidance say anything about using Bronkolin while breastfeeding?

Yes. Regulatory information confirms that the active ingredient is passed into human milk. While breastfeeding may often be considered acceptable, official guidance describes monitoring the infant for signs of potential toxicity, such as irritability.


Q: What does the drug label say about Bronkolin and kidney issues?

Studies on the active ingredient show that its clearance is not significantly impacted by acute or chronic kidney failure. Therefore, dosage adjustment is not typically required solely because of the presence of kidney issues.


Q: Can Bronkolin affect blood pressure?

Official safety documents list cardiac effects, including a fast heart rate (tachycardia) and palpitations. While blood pressure itself is not specifically named, changes in heart rhythm can affect overall circulation.


Q: What is the shelf life of Bronkolin?

The specific shelf life and exact expiration date are determined by the manufacturer of the particular product. This required information is printed clearly on the package label.


Q: What is the source of the active ingredient in Bronkolin?

The active ingredient is a synthetic methylxanthine derivative. It is chemically structured similarly to naturally occurring compounds, such as caffeine.


Q: Can Bronkolin be taken long-term?

The drug is prescribed for chronic conditions and is designed for a daily maintenance regimen. Because it is a Narrow Therapeutic Index (NTI) drug, long-term use requires mandated Therapeutic Drug Monitoring (TDM) to ensure blood levels remain in the safe and effective range.


Q: Is it normal to feel a certain way when first starting Bronkolin?

Side effects like nausea, headache, or restlessness are commonly reported in official documents, particularly when treatment is initiated or when blood concentrations are increasing. These effects are often associated with the body adjusting to the medication.


Q: Do any foods or drinks need to be avoided while using Bronkolin?

Regulatory documents state that products containing high amounts of caffeine, such as coffee, tea, cola, and chocolate, should be reviewed. Since caffeine is chemically similar to the active ingredient, consuming excessive amounts can potentially increase the risk of experiencing adverse effects.


Q: Does the evidence for Bronkolin include studies on children?

Yes. Clinical data supporting the drug includes studies on pediatric patients as young as 6 years old. Official dosing information for children is calculated based on weight.


Q: How long do the effects of Bronkolin typically last?

The duration of the medication's effect depends on its specific formulation. Extended-release forms are designed to provide sustained relief and are typically administered once or twice daily, such as every 12 hours, to maintain stable levels.


Q: Are there any specific safety classifications, like a Boxed Warning, associated with Bronkolin?

The drug is officially designated as a Narrow Therapeutic Index (NTI) drug. This designation highlights that the small margin between effective and toxic concentrations carries a high risk for serious adverse effects if blood concentrations are not carefully managed.


Q: What does 'contraindication' mean in the context of Bronkolin?

According to official medical terminology, a contraindication refers to a specific condition or situation where the medicine should not be used. Examples for this drug include a recent heart attack or acute tachycardia because the risk of harm outweighs any potential benefit.


Q: Why is Bronkolin sometimes referred to as a 'rescue' medicine?

The medication is not officially classified as a rescue medicine. However, an intravenous (IV) form of the active ingredient is reserved by regulatory guidance for administration in acute (emergency) situations, which may be the source of the misclassification.


Q: Is Bronkolin approved for use in all age groups?

The drug label provides specific dosing instructions for pediatric patients (calculated by weight) and defines maximum doses for older adults. While this indicates use across broad populations, specific age sub-groups (e.g., infants) may require further professional review.


Q: Are there any large-scale safety reviews for Bronkolin?

Yes. The safety profile is continually monitored by regulatory authorities. This process includes post-marketing surveillance and comprehensive reviews of clinical trial data and large-scale meta-analyses.

How should Bronkolin be stored and disposed of?

How to Store and Dispose of Bronkolin?

Bronkolin (Choline Theophyllinate) must be stored at controlled room temperature (20 C to 25 C / 68 F to 77 F) and must not be frozen.


Storage Requirements

It is required to keep the medicine out of the reach of children and store it in its original container, ensuring the lid is tightly closed. The product must be protected from light, moisture, and excessive heat, as defined by regulatory labels.


Disposal Instructions

Expired or unused medication should be disposed of through an authorized drug take-back program. If a program is unavailable, follow local guidelines for household trash disposal. Do not flush Bronkolin down the toilet or sink unless the drug's patient information specifically instructs you to do so.

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

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