durazepam

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durazepam

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 durazepam

Quick Facts

Property Description
Active ingredient Oxazepam
Form Tablet or capsule
Pharmacological class Benzodiazepine Anxiolytic
General purpose Reducing tension and promoting rest
Origin Synthetic derivative

What Type of Medicine is Durazepam (Oxazepam)?

Durazepam is the trade name for a medication containing the active ingredient Oxazepam, which is formally classified as a 1,4-benzodiazepine derivative and a central nervous system depressant. It is a synthetic compound that belongs to the benzodiazepine anxiolytic group. Oxazepam is characterized by its ability to moderate excitatory neural signals and is considered intermediate-acting. This intermediate profile provides a therapeutic balance between onset and duration that differentiates it from both rapidly-cleared and long-acting sedatives.

Composition and Physical Form of Durazepam

The drug is a single active ingredient product, containing only Oxazepam, and is intended for oral administration. Durazepam is typically supplied as a solid pharmaceutical form, such as a tablet or capsule. To achieve a defined and consistent dose, the Oxazepam is combined with solid pharmaceutical excipients (inert materials like fillers and binders). As a medication acting on the nervous system, it is defined by its specific pharmacological category and therapeutic group.

General Purpose and Action of this Anxiolytic

The primary purpose of Durazepam is to provide a comprehensive calming influence on the nervous system. The drug is leveraged for its anxiolytic properties, which help to reduce mental and physical tension and excessive worry, and its hypnotic properties, which assist with certain forms of sleep disturbances. Its action facilitates the brain's natural process of inhibition, directly translating to easing conditions characterized by high neurological arousal.

What side effects are possible with durazepam?

Possible Side Effects and Safety Information

Durazepam (Oxazepam) is officially classified as a Schedule IV controlled substance, and its safety profile is documented based on the following regulatory categories.


Frequency-Classified Adverse Reactions

The most frequently reported adverse effects are tied to the drug’s central nervous system (CNS) depressant activity. Drowsiness and sedation are the most common reactions, which often lessen after the initial period of treatment. Other common effects documented in official labeling include dizziness, headache, fatigue, and decreased coordination (ataxia). Less frequently, effects such as minor skin rashes, nausea, vomiting, or changes in mood have been reported.


Serious Safety Considerations and Regulatory Constraints

The official label contains a Boxed Warning that highlights critical risks associated with the medicine. This warning addresses the potential for abuse, misuse, and addiction. Physical dependence can develop with continuous use, and abrupt discontinuation or rapid dosage reduction may precipitate acute, potentially life-threatening withdrawal reactions, including seizures.

Another significant constraint involves co-administration with other CNS depressants, particularly opioids. Combining these substances is officially documented to increase the risk of profound sedation, respiratory depression, coma, and death.


Population-Specific Safety Notes

The regulatory profile includes specific cautions for certain populations. Older adults are noted to be more susceptible to CNS-depressant effects, such as severe dizziness and sedation, which increases the risk of falls and hypotension (low blood pressure). Use requires caution in individuals with hepatic (liver) impairment.

Overdose and Emergency Response

Overdose and When to Seek Help

Durazepam belongs to the benzodiazepine class of medications. While taking durazepam alone rarely leads to life-threatening overdose, ingesting excessive quantities or combining it with other Central Nervous System (CNS) depressants, such as alcohol or opioids, significantly increases the risk of severe toxicity, respiratory depression, and death.

Overdose symptoms typically present within four hours and are primarily characterized by excessive sedation and impaired coordination. Prompt medical attention is essential if any of the following signs are observed:


Symptom Category Signs of Potential Overdose
Mental Status Extreme drowsiness, confusion, profound lethargy, or unresponsiveness
Physical Signs Severely slurred speech, uncoordinated movements (ataxia), significant muscle weakness (hypotonia)
Critical Signs Shallow or slowed breathing, low blood pressure, bluish lips or fingernails, or coma

If an overdose is suspected, immediately call emergency medical services. Do not attempt to induce vomiting or give the person anything to eat or drink. The mainstay of hospital treatment is supportive care, focusing on maintaining vital signs and respiratory function. A specific antidote, flumazenil, may be administered by healthcare professionals in certain situations to counteract the sedative effects, though its use is not always recommended due to potential risks.

Therapeutic Uses of durazepam

What Durazepam Treats: Main Uses and Benefits

Durazepam (Oxazepam) is commonly used to provide symptomatic relief across several clinical contexts where symptoms related to increased neurological or muscular activity cause significant discomfort. Its application is focused on addressing challenging symptoms and providing necessary support during acute episodes.

The medication is relevant for easing symptom burden in conditions characterized by periods of heightened symptoms, including anxiety disorders and the severe physical manifestations associated with alcohol withdrawal syndrome. It is also applied when anxiety-driven symptoms interfere with rest, such as the inability to quiet a restless mind and body, and contributes to easing the overall symptom load during symptomatic periods. In clinical contexts, it may assist with easing distress and supports general well-being during symptomatic phases.


Symptom Focus: Easing Tension

Durazepam is applied in scenarios where symptoms interfere with daily stability, specifically targeting the pronounced mental worry, apprehension, physical tension, and motor agitation that cluster together during acute anxiety or withdrawal episodes.

Regulatory References

  1. NIH MedlinePlus Drug Information on Oxazepam

Eligibility and Restrictions for Use

Durazepam, a benzodiazepine, is generally used for the short-term treatment of anxiety disorders, muscle spasms, and symptoms of acute alcohol withdrawal. It is also sometimes prescribed as an adjunctive therapy for certain seizure disorders.


Contraindications and Special Populations

Durazepam is contraindicated and should not be used in individuals with:

  • Known allergy to durazepam or other benzodiazepines.
  • Severe respiratory insufficiency or sleep apnea.
  • Myasthenia gravis, a condition causing severe muscle weakness.
  • Severe liver impairment.
  • Acute narrow-angle glaucoma.

Use in Specific Groups

Group Precaution/Recommendation
Elderly patients Use with caution; lower doses are typically recommended due to increased sensitivity to side effects, such as drowsiness and falls.
Pregnant or Breastfeeding women Generally not recommended due to potential risks to the fetus or infant, including 'floppy baby syndrome' or withdrawal symptoms.
Children Not recommended for use in children under 6 months of age. Use in older children is usually limited to seizure control.
History of substance abuse Use with extreme caution due to the risk of dependence and misuse.

Patients should inform their healthcare provider of all medical conditions and other medications being taken, as many substances, including alcohol and opioids, can dangerously increase the depressant effects of durazepam.

What should I know about interactions with other medicines?

The use of durazepam, a benzodiazepine, with other medications or substances can lead to significant and potentially dangerous drug-drug interactions. Patients should always inform their healthcare provider of all prescription drugs, over-the-counter medicines, and herbal supplements they are taking.

Central Nervous System (CNS) Depressants

The most critical interaction involves other CNS depressants, which increase the risk of severe side effects, including profound sedation, respiratory depression (slowed or shallow breathing), coma, and death. This combination should be avoided or used with extreme caution at the lowest effective doses and for the shortest possible duration. This category includes:

  • Opioid analgesics (e.g., oxycodone, hydrocodone, fentanyl)
  • Other benzodiazepines and sedative-hypnotics (e.g., zolpidem)
  • Tricyclic antidepressants
  • Alcohol

Cytochrome P450 Enzyme Inhibitors and Inducers

Durazepam is metabolized in the liver, primarily through certain Cytochrome P450 (CYP) enzymes, particularly CYP3A4. Agents that affect this enzyme can change the concentration of durazepam in the body:

  • CYP3A4 Inhibitors (e.g., ketoconazole, itraconazole, clarithromycin, grapefruit juice) can decrease the breakdown of durazepam, leading to higher drug levels and an increased risk of side effects.
  • CYP3A4 Inducers (e.g., rifampin, carbamazepine, phenytoin, St. John’s Wort) can increase the breakdown of durazepam, potentially reducing its effectiveness.

Close monitoring or dose adjustments may be necessary when combining durazepam with drugs that interact with the CYP3A4 pathway.

Mechanism of Action

The mechanism of Durazepam (Oxazepam) involves the precision modulation of inhibitory signaling in the brain, leading to a generalized reduction in neuronal excitability.

Modulating the GABAergic System

The drug acts as a Positive Allosteric Modulator by binding to a dedicated site on the GABA-A receptor complex. This specific molecular interaction enhances the effect of the brain's natural inhibitory neurotransmitter, GABA, which increases the inhibitory influence on neurological processes.

Cellular Hyperpolarization and Inhibition

The enhanced GABA activity causes the receptor's associated chloride ion ( Cl^-) channel to open more frequently, resulting in an influx of negative ions. This cellular change causes hyperpolarization (making the cell interior more negative), which raises the firing threshold of neurons and results in a reduction of excessive physiological signaling across the CNS.

Constraints on Long-Term Efficacy

The drug's mechanism is inherently limited by the receptor system's plasticity. Prolonged exposure can lead to functional uncoupling of the GABA-A receptor, where its responsiveness to Oxazepam decreases. This mechanism engages regulatory feedback within the pathways, which determines the magnitude and duration of the observable physiological effects over time.

Dosage and Administration Information

The usage of durazepam is defined by established protocols, which detail the administration method, required dosing ranges, and duration limits for the medicine.


Administration Scope

Feature General Administration Guidelines
Route of administration Oral (swallowed)
Dosing schedule Ranges from 10 mg to 30 mg per dose, with the final amount dependent on the severity of the condition. The total daily dosage for adults generally does not exceed 120 mg.
Timing in relation to meals May be taken with or without food.
Preparation requirements The solid oral form (capsule or tablet) is to be swallowed whole with water.
Age-group administration rules Older adults typically begin with a lower dose, such as 10 mg three times daily, and dose increases must proceed cautiously. Use in children under 6 years of age is not recommended.
Missed-dose rules If a dose is missed, it should be taken upon remembering, unless it is nearly time for the next scheduled dose, in which case the missed dose is skipped to prevent taking a double dose.
Special procedural conditions The total duration of treatment is limited to short-term use, often specified as not exceeding 2 to 4 weeks for anxiety relief.

Instruction Classifications (High-Level)

Classification Description
Administration method type Oral
Frequency pattern Divided daily (3 or 4 times daily).
Basis of use Established pharmacological parameters.
Use-context constraints Time-limited use (short-term); dose-adjusted for age and severity.

Resulting procedural structure

Standard step sequence:

  • The unit dose is taken orally as a swallowed capsule or tablet 3 to 4 times daily, independent of meal timing.
  • The dose is determined by the severity of the patient’s condition and age, with specific lower starting doses for older adults.
  • Treatment is strictly limited to a short course, and its termination requires a gradual reduction (tapering) of the dose to prevent acute withdrawal reactions.

Connection to the overall use protocol: The instructions structure the use of durazepam as a defined, time-limited oral therapy requiring divided daily dosing to maintain the desired level in the system. These procedural rules establish that the dosage must be customized based on patient population and condition severity, and they mandate a gradual tapering regimen to conclude the course of administration.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Durazepam (Oxazepam)

This section summarizes the structure and focus of official research and scientific evidence related to durazepam (oxazepam). It focuses on the types of evidence available, the populations included in studies, and the limitations noted by regulators and researchers. This is a descriptive summary of the research landscape and does not provide individual clinical advice.


Research Exploring Durazepam in Acute Alcohol Withdrawal Syndrome

Oxazepam was studied for the acute phase of Alcohol Withdrawal Syndrome (AWS). Research for this clinical situation relies on a substantial body of evidence, including Randomized Controlled Trials (RCTs) and systematic reviews (meta-analyses). These studies were conducted during periods of heightened symptom activity and were generally short-term in focus, aligning with the acute, time-limited nature of the withdrawal process.

Researchers used standardized tools to quantify and track outcomes describing episodic or acute changes in symptom intensity. Research examined the total amount of medication and the duration of acute treatment associated with different approaches to administration. Findings indicate patterns related to symptom monitoring that were relevant to the High evidence level grading for the benzodiazepine class in this context.

What remains uncertain: The available evidence frequently synthesizes data for the benzodiazepine class as a whole, meaning that findings specific to oxazepam as a standalone agent may be limited in large-scale comparative studies. The focus of the research is on the acute phase of withdrawal; therefore, long-term effects are not fully established beyond the immediate period of symptom monitoring.


Research Exploring Durazepam in Short-Term Symptomatic Anxiety

Research explored whether the drug was associated with changes in symptoms in conditions characterized by functional limitations, such as anxiety disorders or anxiety occurring with depression. The evidence base includes RCTs and regulatory documentation that assessed the drug's use in adult populations.

Studies monitored outcomes reflecting daily functioning or activity level, with researchers using both clinician-rated and patient-reported outcomes describing perceived discomfort. Specific measures were used in research to quantify changes in overall anxiety severity and outcomes related to physical discomfort. Findings indicate patterns measured over short treatment periods, with regulatory evaluation covering periods up to four months.

What remains uncertain: Systematic clinical studies have not assessed outcomes for periods of use that extend beyond four months. This means there is limited information for long-term outcomes regarding sustained change or durability of response.

Frequently Asked Questions (FAQ)

Common questions about durazepam (FAQ)

Q: Why is durazepam sometimes called a 'sedative'?

Durazepam is officially classified as a central nervous system (CNS) depressant, meaning it slows down activity in the brain. Its pharmacological profile includes properties that help reduce tension and assist with sleep disturbances. This calming effect is why the medication is commonly referred to in general language as a sedative.

Q: How long does the effect of a durazepam dose last in the body?

Durazepam is classified as an intermediate-acting medication. Official pharmacological data indicates that the drug has a mean elimination half-life of approximately 8.2 hours in adults. This means it takes that amount of time for half the drug to be eliminated from the body.

Q: Is durazepam the same as diazepam or lorazepam?

Durazepam is the trade name for the active ingredient oxazepam. It belongs to the same class of medications, known as benzodiazepines, as diazepam and lorazepam. However, durazepam is a distinct compound with its own specific profile, notably its intermediate-acting nature.

Q: What makes durazepam different from other similar medicines?

Official documents categorize durazepam as an intermediate-acting benzodiazepine with a comparatively slow onset of action. Furthermore, the drug is metabolized in the body through a pathway called glucuronidation. This metabolic process is different from how some other drugs in the same class are broken down.

Q: Are there any long-term health risks associated with durazepam use?

The regulatory label states that the safety and effectiveness of the medication for use longer than 4 months is not known. For this reason, treatment is generally limited to short-term use. This short duration is also intended to minimize potential risks such as the development of physical dependence and addiction.

Q: Can durazepam interact with over-the-counter pain relievers?

Official drug interaction databases indicate that some common over-the-counter pain relievers can interact with durazepam. Specific examples include acetaminophen and aspirin, which may decrease the rate at which the body eliminates the medication. This could potentially lead to higher levels of durazepam remaining in the body.

Q: Can people with liver or kidney problems take durazepam?

Official guidance notes that use requires caution in individuals with liver or kidney disease. However, due to its specific method of metabolism, the drug is sometimes utilized for patients with hepatic impairment (liver problems). Use is guided by the patient's individual condition, and caution is officially required.

Q: Is there evidence that durazepam improves overall sleep quality?

While durazepam is primarily approved for anxiety and alcohol withdrawal symptoms, official pharmacological profiles note its hypnotic properties. This means it is known to assist with certain sleep disturbances. Research has also examined the drug's use in patients who experience difficulty staying asleep.

Q: Why do some people say they feel 'groggy' the morning after taking durazepam?

The feeling of being groggy, often called a hangover effect, is directly related to the drug's intended action as a central nervous system (CNS) depressant. Drowsiness and sedation are the most common adverse reactions listed in the official documents. These effects may persist or carry over into the following morning after the dose has peaked.

Q: Can durazepam cause mood changes or depression?

Official documents list changes in mood and depression as potential adverse effects associated with durazepam. Symptoms such as new or worsening depression or significant mood changes are noted in the safety profile.

Q: What are the main research findings about durazepam's effectiveness?

Research findings support the use of durazepam for treating anxiety disorders and for the short-term relief of anxiety symptoms. The medication is also utilized to relieve symptoms like agitation and anxiety associated with acute alcohol withdrawal. These indications are supported by the drug's official regulatory approval.

Q: How quickly does durazepam usually start to work?

The medication is described in official documents as having a slow onset of action compared to similar drugs. Pharmacokinetic data indicates that peak levels of the drug in the blood are typically observed to occur around 3 hours after an oral dose is taken.

Q: Can durazepam cause unusual dreams or nightmares?

Official documentation includes nightmares as a potential side effect that has been reported by users. However, the exact frequency of this occurrence is not known based on the regulatory safety profile.

Q: Can durazepam affect memory or concentration?

Potential adverse effects associated with durazepam include difficulty concentrating and general memory problems. A specific type of memory loss called anterograde amnesia has also been noted in the medication's safety profile.

Q: Are there any supplements or vitamins that should not be taken with durazepam?

The official label contains warnings regarding the use of over-the-counter preparations containing antihistamines or alcohol. The herbal supplement St. John’s Wort is also documented as potentially reducing the drug's effectiveness in the body.

Q: Does durazepam interact with blood pressure medication?

The medication itself can cause a drop in blood pressure, known as hypotension, especially in older adults. It is administered with caution to patients who may be at risk for a drop in blood pressure.

Q: Is durazepam FDA-approved for insomnia?

Durazepam is not FDA-approved for the treatment of insomnia. The official approved uses for the medication are strictly for the management of anxiety disorders and symptoms related to acute alcohol withdrawal.

Q: What is the risk of overdose with durazepam?

Overdose is a documented risk, particularly when durazepam is combined with other central nervous system (CNS) depressants such as opioids or alcohol. Symptoms of an overdose can include slowed breathing, excessive drowsiness, and coma.

Q: Can durazepam cause dizziness or make it unsafe to drive?

The drug can cause side effects like drowsiness, dizziness, and decreased coordination, which slow thinking and motor skills. Official warnings exist cautioning against driving or operating heavy machinery until the medication's effects are known.

Q: What should I do if a side effect seems serious?

Official guidance states that serious side effects, such as severe difficulty breathing, a severe rash, or yellowing of the skin or eyes, warrant immediate emergency medical assessment.

Q: Does durazepam have any known effects on appetite or weight?

Official safety profiles note that loss of appetite has been reported in rare cases as a potential side effect of the medication. Weight changes are not explicitly listed among the commonly reported adverse reactions.

Q: Is there a generic version of durazepam available?

Yes, a generic version of the medication is available. The drug's active ingredient is oxazepam, and the generic form is supplied under the name Oxazepam Capsules or Oxazepam Tablets.

Q: Does taking durazepam affect the results of any common medical tests?

Regulatory information indicates that metabolites of oxazepam are screened for in some urine drug screens (UDS). It is noted that false negative results for certain other benzodiazepines may occur due to this testing method.

Q: Are there specific studies about durazepam use during pregnancy?

The medication crosses the placenta and can enter breast milk. Official guidance states that use in late pregnancy can cause risks to the neonate, including neonatal withdrawal syndrome and floppy infant syndrome. For this reason, use during pregnancy or breastfeeding is generally not recommended.

How should durazepam be stored and disposed of?

Official Storage Requirements

Durazepam (Oxazepam) must be stored at Controlled Room Temperature, defined as 68 F to 77 F (20 C to 25 C). The medication must be kept in its original container, which should be tightly closed, and must be protected from moisture. Storage in areas subject to extreme temperature and humidity, such as a bathroom, is prohibited. The label requires that this medicine be stored out of the reach of children at all times.

Official Disposal Instructions

Unused or expired Durazepam should be disposed of by following official guidelines. The preferred method is to use a formal medicine take-back program available through pharmacies or local authorities. If a take-back program is unavailable, mix the medication with an undesirable substance, such as dirt or used coffee grounds, seal the mixture in a plastic bag, and discard it in the household trash. The medication should not be flushed down a toilet or drain.

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

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