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What Is Quazepam?

Quazepam is a prescription benzodiazepine medication used to treat insomnia characterized by difficulty falling asleep, waking repeatedly during the night, or waking too early. It is available as oral tablets and is associated with the brand name Doral. Quazepam has sedative and sleep-promoting effects that can continue into the following day. It is classified as a Schedule IV controlled substance in the United States because of its potential for misuse and dependence. Treatment is generally intended for short-term use, with reassessment when insomnia persists.

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What Is Quazepam?

Quazepam is a prescription benzodiazepine medication used to treat insomnia characterized by difficulty falling asleep, waking repeatedly during the night, or waking too early. It is available as oral tablets and is associated with the brand name Doral. Quazepam has sedative and sleep-promoting effects that can continue into the following day. It is classified as a Schedule IV controlled substance in the United States because of its potential for misuse and dependence. Treatment is generally intended for short-term use, with reassessment when insomnia persists.

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How Does Quazepam Work?

Quazepam acts on gamma-aminobutyric acid type A receptors, commonly called GABA-A receptors, in the central nervous system. It increases the inhibitory effects of GABA, a neurotransmitter that reduces neuronal activity. This produces sedative and hypnotic effects that can help patients fall asleep and remain asleep. Quazepam has active metabolites that remain in the body for an extended period, contributing to possible next-day drowsiness and impaired alertness. The medication does not correct every underlying cause of insomnia, including sleep disorders, psychiatric conditions, or medication-related sleep disturbances.

What Type of Insomnia Does Quazepam Treat?

Quazepam is approved for insomnia involving difficulty initiating sleep, frequent nighttime awakenings, or early morning awakening. Its effectiveness has been demonstrated in short-term clinical studies, with additional evidence for sustained effects over several weeks in studied patients. Prolonged treatment is generally not recommended when insomnia is temporary or intermittent. A healthcare professional should investigate persistent sleep disturbances to identify conditions that may require a different treatment. Quazepam is contraindicated in patients with established or suspected sleep apnea or pulmonary insufficiency and is not an appropriate substitute for treating these conditions.

How Should Quazepam Be Taken?

Quazepam is taken orally shortly before bedtime according to the prescription. The recommended initial dose is 7.5 mg, which can be increased to 15 mg when necessary and appropriate. The scored 15 mg tablet may be divided to obtain the 7.5 mg dose. Patients should take quazepam only when they can remain in bed for a full night's sleep and should avoid alcohol and other sedating medications unless specifically addressed by the prescriber. Older or debilitated patients may be more sensitive to its effects. After regular use, dose reduction or discontinuation may require a gradual taper to prevent withdrawal reactions.

What Are the Side Effects and Warnings of Quazepam?

Common adverse effects include daytime drowsiness, dizziness, headache, fatigue, and impaired coordination. Quazepam carries boxed warnings for dangerous interactions with opioids, abuse, misuse, addiction, physical dependence, and withdrawal reactions. Combining it with opioids or other central nervous system depressants can cause profound sedation, respiratory depression, coma, or death. Sleep-related behaviors performed without full awareness, including sleepwalking or other activities, may occur. Abrupt discontinuation after physical dependence develops can cause severe withdrawal, including seizures. Difficulty breathing, unresponsiveness, or unusual sleep-related behavior requires prompt medical attention.

Common Questions About Quazepam

Is quazepam the same as Doral?

Yes. Doral is a brand name for quazepam, a benzodiazepine prescribed for certain forms of insomnia.

Is quazepam a controlled substance?

Yes. Quazepam is classified as a Schedule IV controlled substance in the United States because of its potential for misuse and dependence.

Can quazepam cause next-day drowsiness?

Yes. Quazepam and its active metabolites can cause lingering sedation and impaired alertness. Patients should avoid driving when affected.

Can quazepam be taken with opioid pain medications?

The combination can cause dangerous breathing suppression, coma, or death. Concurrent treatment should occur only when a prescriber determines that alternatives are inadequate and closely manages the risks.

References

DailyMed - QUAZEPAM tablet. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=f7d63f3f-5303-48ab-bce2-35fd62c45799. Date Accessed November 3, 2026.

Quazepam. Drugs and Lactation Database (LactMed). https://www.ncbi.nlm.nih.gov/books/NBK501251/. Date Accessed November 3, 2026.

Quazepam. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548297/. Date Accessed November 3, 2026.

Quazepam. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Quazepam. Date Accessed November 3, 2026.

Benzodiazepines. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548298/. Date Accessed November 3, 2026.