Бромазеп

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Бромазеп

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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 Бромазеп

Бромазеп (Bromazepam): Classification and Identity

The medicinal product Бромазеп contains the synthetic active substance Bromazepam (INN), which is classified as a Benzodiazepine and functions as a minor tranquilizer or anxiolytic agent. This compound is structurally defined as a 1,4-benzodiazepine, a classification utilized for addressing central nervous system overactivity. As a single-ingredient product, its effects are derived from the Bromazepam compound, distinguishing it from combination medications.

What is the Composition and Form of Бромазеп?

The core component is Bromazepam (chemical formula C14H10BrN3O), typically supplied as an oral tablet, defining its standard dosage form and route of administration. The fixed, solid tablet formulation consists of the active drug combined with standard solid pharmaceutical excipients. Bromazepam is characterized by an anxiolytic profile, which defines its primary designation within this therapeutic area and differentiates its focus from benzodiazepines primarily designated for hypnotic use.

The General Purpose of Bromazepam's Action

The fundamental purpose of Bromazepam is to provide anxiolytic relief, achieved through its Central Nervous System (CNS) depressant mechanism. It works by enhancing the inhibitory effects of the neurotransmitter GABA (gamma-aminobutyric acid) at the GABAA receptor. This action helps promote a state of generalized composure by reducing excessive neuronal signaling, thereby alleviating psychological tension and physical discomfort associated with hyper-alertness.

Regulatory References

  1. NIH: Basic Benzodiazepine Mechanism

What side effects are possible with Бромазеп?

Official Classification of Possible Side Effects

The safety profile of Bromazepam, as documented in government regulatory sources, is primarily characterized by reactions related to Central Nervous System (CNS) depression and the potential for dependence. Adverse reactions are classified by frequency and grouped into System-Organ Classes (SOCs), reflecting how the medicine affects the body.

Classification Examples of Documented Adverse Reactions
Most Frequent Drowsiness, ataxia (loss of coordination), and dizziness are reported as most frequent, often occurring when treatment is initiated and tending to resolve with continued use.
Less Common Reactions with lower reported incidence include headache, nausea, rash, blurred vision, tremors, and low blood pressure (hypotension).
Rare Cases Changes in blood composition (blood dyscrasias) and elevations in liver enzyme levels have been officially documented in rare instances.

Serious adverse reactions listed in regulatory labels include the risk of physical and psychological dependence and severe withdrawal reactions if the medication is stopped abruptly. Serious risks, including respiratory depression, coma, and death, are documented, particularly with the concomitant use of other CNS depressants, such as alcohol or opioids. The label also notes the potential for paradoxical reactions, which can involve agitation, aggression, or rage.

Population-Specific Safety Notes

The prescribing information includes specific constraints for certain populations. Older adults are advised to use lower doses due to an increased risk of falls and fractures. The medication is contraindicated (must not be used) in patients with severe hepatic insufficiency (liver disease), severe respiratory insufficiency, sleep apnoea syndrome, or myasthenia gravis.

Overdose and Emergency Response

Overdose with Bromazepam is primarily defined by a dose-dependent cascade of Central Nervous System (CNS) Depression, a pattern documented in official regulatory labeling. Initial manifestations include Somnolence, Lethargy, Slurred Speech, Ataxia (impaired coordination), and Hypotonia (muscle weakness). While isolated cases may be mild, a severe overdose can progress to a deep Coma, Respiratory Depression, and serious Hypotension.

Life-Threatening Risks and Emergency Action

This risk of profound CNS and respiratory compromise is significantly amplified by the Co-Ingestion of other depressants, particularly Alcohol or Opioid medicines, which increases the potential for Pulmonary Aspiration and fatal outcomes.

Regulatory documents mandate that immediate medical attention must be sought if symptoms progress beyond mild sedation to include extreme sleepiness, slowed or difficult breathing, or unresponsiveness. In these severe situations, contact emergency services without delay.

Clinical management is centered on Symptomatic and Supportive Care, focusing on airway maintenance and continuous monitoring of vital signs. The specific antagonist, Flumazenil, is available but is advised to be used with extreme caution, as regulatory documents note the risk of precipitating acute Seizures in certain overdose scenarios.

Therapeutic Uses of Бромазеп

Bromazepam (Бромазеп) is a medication commonly used to help with the symptomatic relief of excessive anxiety in patients with anxiety neurosis. It is generally applied in contexts where the symptoms create significant discomfort or noticeable functional strain.

Easing Disabling Anxiety and Pathological Tension

This medication is used in situations involving certain distressing symptoms, where it helps address symptom clusters that may become intense or disruptive, such as profound inner tension, disruptive worry, and acute apprehension. This provides support that helps ease the overall symptom load and assists with maintaining functional stability during symptomatic periods.

Managing Acute Panic and Emotional Crises

The medication is relevant for addressing situations characterized by sudden and severe symptom escalation, such as panic states and acute emotional disorders. It is applied during phases of increased distress or discomfort when manifestations like severe agitation or highly exaggerated emotional reactions become difficult to tolerate. Using it during these episodes helps provide necessary short-term symptomatic support and helps maintain a sense of stability when symptoms are more noticeable.


Quick Fact: Relief for Heightened Tension

Bromazepam is commonly used to help manage symptoms of increased muscular tension and physiological activity, such as excessive physical tension and somatization, contributing to improved comfort during symptomatic periods.

Regulatory References

  1. Health Canada Product Monograph for BROMAZEPAM

Eligibility and Restrictions for Use

Bromazepam eligibility is defined by regulatory authorities based on specific age, physiological status, and pre-existing conditions. Use is permitted primarily for adult patients aged 18 years and older.

Use is contraindicated in several populations due to significant risks documented in official labeling. These absolute exclusions include individuals with known Hypersensitivity to benzodiazepines, Myasthenia Gravis, Severe Hepatic Insufficiency, Severe Respiratory Insufficiency, and Sleep Apnoea Syndrome. Contraindication also applies to those with certain hereditary metabolic disorders.

Regulatory guidance states that use is not recommended for children and adolescents under 18 years of age as safety and efficacy have not been established. Older adults require special caution, necessitating the lowest effective dose. Conditional eligibility applies to patients with compromised organ function: individuals with impaired renal or mild hepatic function must use the medicine with caution and require close monitoring. The drug is not recommended during pregnancy or lactation. Extreme caution is further mandated for patients with a medical history of alcohol or drug abuse.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Bromazepam's safety and efficacy can be significantly altered by co-administration with other substances. The drug's interaction profile is primarily defined by the risk of additive Central Nervous System (CNS) depression and changes in drug exposure due to metabolic interference.


Pharmacodynamic Interactions

Concomitant use with other CNS depressants is a key area of concern, as these combinations lead to a potentiated effect. Substances include:

  • Alcohol (Ethanol): Strictly forbidden due to a high risk of profound sedation, respiratory depression, and adverse cardiovascular effects.
  • CNS Depressants: This category includes medicines such as antipsychotics, hypnotics, opioids, sedative antidepressants, and some antihistamines. Co-administration results in an additive depressant effect, requiring caution and usually dose reduction.
  • Muscle Relaxants: May also increase the sedative effects of Bromazepam.

Pharmacokinetic Interactions

Bromazepam is metabolized by hepatic enzymes, meaning that drugs which affect these enzymes can alter its concentration in the bloodstream:

  • Increased Exposure: Specific enzyme inhibitors, such as Cimetidine and Propranolol, may slow Bromazepam's breakdown, potentially increasing its plasma concentration and enhancing its effects.

Population-Specific Considerations

The risk of adverse outcomes from these interactions, particularly severe sedation and falls (a consequence of CNS depression), is noted to be greater in elderly patients.

Mechanism of Action

Molecular Action: Positive Allosteric Modulation of GABA A Receptors

Bromazepam targets the GABA A receptor complex, the primary inhibitory gateway in the Central Nervous System (CNS). It functions as a Positive Allosteric Modulator, binding to a specific allosteric site on the receptor to enhance the effect of the inhibitory neurotransmitter GABA. This action increases the frequency of chloride ion ( Cl^-) influx into neurons, resulting in cellular hyperpolarization, which functionally reduces neuronal responsiveness to excitatory signaling.

Systemic Effect: Modulation of Hyperexcitability

The molecular cascade reinforces the inhibitory GABAergic pathway, leading to functional suppression of neuronal activity throughout the CNS. This effect modulates heightened activity across the cortex and within the Limbic System, which are centers associated with emotional processing and vigilance. The subsequent reduction in neural firing rates contributes to a reduction in central overactivity.

Mechanistic Consequence: Central Reduction of Motor Neuron Excitability

GABA potentiation also extends to the pathways that control motor function, including those in the spinal cord. By reinforcing inhibition in these efferent motor pathways, the drug reduces the neural signaling that drives excessive muscle tone. This physiological consequence is the basis for reduced motor neuron excitability.

Dosage and Administration Information

Administration Guidelines for Bromazepam

This section outlines the administration guidelines for Bromazepam (often marketed as Lexotan or similar trade names).


Administration Protocol

Guideline Instruction
Route of Administration Oral
Frequency Pattern Typically two or three times daily, in divided doses, or the total dose may be given in the evening.
Timing in Relation to Meals Doses should preferably be given on an empty stomach as the effect of food on absorption is unknown.
Preparation Requirements None specified for oral tablets. Tablets may be scored to allow for division into equal doses.

Dosing Rules (Adults)

Dosage must be highly individualized based on the patient's response and the severity of symptoms. The principle is to use the lowest effective dose for the shortest duration possible, generally not more than 8–12 weeks, including the taper period.

Patient Group Recommended Daily Dose Range
General Practice 3 mg to 18 mg daily in divided doses
Severe, Hospitalized Cases 6 mg to 12 mg two or three times daily (Maximum daily dose of 60 mg)

Age-Specific Use and Procedural Steps

Age-Group Administration Rules:

  • Elderly/Debilitated Patients: Require lower doses due to increased sensitivity and slower elimination. The initial oral dosage should be reduced to half of the normal recommended dose.
  • Pediatrics: Bromazepam is not recommended for use in children under 12 years of age.

Missed-Dose Rules: Patients must adhere to the prescribed schedule and consult their prescribing physician for missed doses.

Special Procedural Conditions:

  1. Initiation: Treatment of outpatients should begin with the lowest dosage, gradually increasing to the optimum level only if necessary.
  2. Duration: Treatment should be as short as possible, including a gradual dose reduction (tapering off) phase, generally not exceeding 8 to 12 weeks.
  3. Discontinuation: Abrupt discontinuation must be avoided. Treatment must be tapered off gradually to minimize the risk of withdrawal or rebound phenomena.

This medication is taken orally, typically two or three times daily, with an emphasis on low starting doses and a short overall duration. Dosing adjustments are required for elderly or debilitated patients, and treatment cessation must involve a managed, gradual dose taper to prevent withdrawal symptoms.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Бромазеп

Research Evidence for Generalized Anxiety and Inner Tension

Research exploring how symptoms change over time was evaluated in short-term, double-blind Randomized Controlled Trials (RCTs). This research was applied in studies examining patient-reported experiences and often included a placebo or another active treatment as a comparator in adult populations. Studies reported findings describe patterns observed in the studies over defined time intervals, usually up to four weeks. Systematic reviews describing the overall body of evidence reported on patterns related to changes in anxiety scores measured during the study period.

The research provides limited insight into the durability of measured outcomes beyond the short-term period. Long-term outcomes and the rate of symptom change over many months are not fully established by existing placebo-controlled trials. The evidence base exhibits heterogeneity across patient characteristics and study designs.

Studies on Acute Anxiety and Panic States

Research was evaluated in studies focusing on episodes where symptoms become more noticeable, such as acute anxiety and panic states, through various studies, including Systematic Reviews and Meta-Analyses of the broader benzodiazepine class. Studies monitored outcomes describing episodic or acute changes, focusing on aspects like the frequency and intensity of panic manifestations and outcomes reflecting daily functioning or activity level.

The overall certainty of the evidence regarding this specific context remains low in some formal reviews. Limitations noted in the evidence base include concerns regarding the potential for unmasking of the treatment effect, where patients may discern whether they received the active drug. High rates of patient dropout were observed in some studies, which means the results apply only to the populations studied in those specific trials.

What Remains Uncertain in the Evidence Base

A key limitation of the available research is the widespread use of short observation periods, meaning long-term effects are not fully established. Study results reflect the specific conditions under which they were conducted, not individual predictions. Furthermore, the overall evidence quality varies across studies. Research is ongoing, but data for certain patient groups, especially in long-term contexts, remain insufficient.

Key Studies & References

  1. PRODUCT MONOGRAPH MYLAN-BROMAZEPAM (Bromazepam Tablets) 1.5 mg Anxiolytic - Sedative

Frequently Asked Questions (FAQ)

Common questions about Бромазеп (FAQ)

Q: What is the main difference between Бромазеп and other common anxiety medicines?

A: Official information indicates that this medication belongs to the benzodiazepine class, which acts as a Central Nervous System (CNS) depressant and is associated with a more rapid onset of effect.

This mechanism differs from other common anxiety medicines, such as Selective Serotonin Reuptake Inhibitors (SSRIs), which work over a longer time and are often considered for longer-term management.


Q: What are the non-anxiety related uses described for Бромазеп?

A: The primary regulatory purpose is anxiolytic relief, which is the reduction of anxiety.

Official product information suggests it is associated with properties that may alleviate physical tension and excessive muscle tone.


Q: Why do some people confuse Бромазеп with sleeping pills or sedatives?

A: This medication has documented sedative properties as part of its action to calm the central nervous system.

Because it is classified as an intermediate-acting drug, this, combined with its intermediate-acting classification, contributes to it being associated with hypnotic or sleep-inducing drugs.


Q: How quickly does the effect of Бромазеп typically begin after taking it?

A: According to the official product information, the concentration of the active substance typically reaches its highest level in the bloodstream, known as the peak plasma level, between 0.5 and 4 hours after taking the tablet.

This timeframe typically indicates the period when the medication’s effect may be most notable.


Q: How long does the active substance of Бромазеп usually stay in the body?

A: The elimination half-life of the active substance is documented to be approximately 17 hours, though the range can vary between 11 and 22 hours.

The half-life represents the time it takes for half of the dose to be cleared from the body, which places it among the longer-duration benzodiazepines.


Q: Do I need to avoid certain foods or drinks while using Бромазеп?

A: Official guidance advises that grapefruit and grapefruit juice should generally be avoided.

These products can interfere with the way the medication is broken down in the body, potentially changing how effectively the drug works.


Q: Are there known interactions between Бромазеп and common over-the-counter pain relievers?

A: Regulatory documents primarily focus on severe interactions with other Central Nervous System depressants, such as alcohol or opioids.

As a safety measure, patients should consult with a healthcare professional before combining this medication with any over-the-counter pain relievers or non-prescription products.


Q: What general warnings exist about driving or operating machinery while using Бромазеп?

A: Official warnings strictly state that due to potential effects on coordination, attention, and alertness, patients should avoid hazardous activities.

This includes driving a vehicle, operating heavy machinery, or engaging in any activity requiring high levels of focus.


Q: Are there official recommendations regarding the use of grapefruit products with Бромазеп?

A: Yes, official sources indicate that grapefruit products should generally be avoided.

Grapefruit can interfere with the metabolism of the drug, which may lead to unwanted changes in the concentration of the active substance in the body.


Q: What common non-prescription herbal supplements or natural sleep aids might interact with Бромазеп?

A: Regulatory guidelines advise patients to inform their doctor about all herbal preparations they are taking.

Herbal supplements or natural sleep aids that have sedative properties, such as Valerian or Kava, should be used with caution, as they may contribute to an additive sedative effect.


Q: What are the general signs of physical tolerance developing with Бромазеп use?

A: Tolerance refers to the body adapting to the drug's presence, leading to a reduced response over time.

Regulatory information indicates that tolerance development may be suggested when the original therapeutic effect of the drug begins to diminish.


Q: Can using Бромазеп make people feel more emotionally low or depressed?

A: According to regulatory documentation, depression is listed as one of the possible adverse psychiatric effects associated with the use of the drug.

Patients who experience new or worsening mental health symptoms should consult a healthcare professional.


Q: Is weight gain or weight loss reported as a common side effect of Бромазеп?

A: Regulatory data cites that weight problems are a possible adverse effect noted in the context of long-term use of this class of medication.


Q: What kind of cognitive effects (like memory changes) are associated with Бромазеп?

A: Official information states that memory loss, specifically anterograde amnesia (difficulty forming new memories), may occur even at therapeutic doses.

Furthermore, long-term use is associated with a risk of more general cognitive impairment.


Q: Is fatigue or tiredness a temporary or sustained side effect of Бромазеп?

A: Feeling drowsy or tired is documented as the most common side effect.

This effect typically occurs especially at the start of treatment and may lessen or resolve as the body adjusts to the medication.


Q: Why is Бромазеп sometimes described as an 'intermediate-acting' drug?

A: This drug is officially classified as an intermediate-acting benzodiazepine.

This term refers to the medication's pharmacological profile and is based on its half-life, which places its duration of action between the short-acting and long-acting drugs in the same class.


Q: Does effectiveness decrease (tachyphylaxis)?

A: Regulatory guidance notes that tolerance to the sedative effects of the drug may develop over time.

The duration of treatment is typically recommended to be kept as short as possible, generally not exceeding 8 to 12 weeks, to limit this decreased effectiveness.


Q: Does the body quickly get used to it?

A: Regulatory information indicates that tolerance to the effects of the medication can begin to develop in some patients after as little as one week of therapy.

This is the primary reason why official guidelines recommend using this drug only for the shortest period necessary.


Q: Where can I find the official regulatory pamphlet or package insert for Бромазеп?

A: The official Consumer Information Leaflet or Product Monograph is provided by the manufacturer.

Patients can contact their prescribing doctor or pharmacist, who may be able to provide them with the official documentation for their specific product.


Q: What is the current status of Бромазеп as a controlled substance in major regulatory regions?

A: Internationally, this medication is classified as a Schedule IV controlled substance under the United Nations Convention on Psychotropic Substances.

This classification recognizes the drug's potential for abuse or dependence and subjects it to specific regulatory controls.


Q: Is there evidence that it affects metabolism or blood sugar levels?

A: Changes to metabolism are documented in regulatory data.

Specifically, a decrease in blood glucose levels has been reported as a documented adverse reaction to the medication.


Q: Are there documented cases of non-serious allergic reactions to Бромазеп?

A: Yes, hypersensitivity reactions are listed in the official safety documentation as possible adverse reactions.

Reactions such as rashes and pruritus (itching) are also listed among less common side effects.


Q: Why might a doctor prescribe Бромазеп for severe muscle tension or spasticity?

A: The drug's pharmacological profile includes anxiolytic relief and skeletal muscle relaxant properties.

This dual function, which is associated with reducing excessive muscle tone and tension, provides the pharmacological basis for its use in conditions involving severe physical tension.


Q: What other treatments or alternatives are commonly researched or mentioned alongside Бромазеп?

A: In the treatment of anxiety, this class of drug is often compared in research to other established first-line therapies.

Regulatory documentation mentions comparing it to other treatments such as Selective Serotonin Reuptake Inhibitor (SSRI) antidepressants.


Q: Is Бромазеп approved for use in all major regulatory countries?

A: No, this medication is not approved by the U.S. Food and Drug Administration (FDA) and is not available under a brand name in the United States.

Its availability and approval status vary across different major regulatory regions worldwide.

How should Бромазеп be stored and disposed of?

Storage Requirements

Bromazepam must be stored at room temperature, typically between 15 C and 30 C (59 F and 86 F), to maintain product stability. Regulatory documents require that the medicine be kept in its original, tightly closed container and stored in a cool, dry place. The product must be protected from both light and excessive moisture. A mandatory requirement for this medicine is that it must be stored out of the sight and reach of children.

Disposal Instructions

Disposal of unused or expired bromazepam must comply with local, national, and international regulations for pharmaceutical waste, which often classify it as a controlled substance. The preferred method is returning the product to an authorized drug take-back program or collection site. If household disposal is permitted, the medicine must be rendered undesirable by mixing it with materials like used coffee grounds and sealed in a container before being placed in the trash.

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

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