Drug interactions
Clonazepam + Quazepam
Severity: Moderate
Clonazepam and Quazepam: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Taking two benzodiazepines together produces additive sedation, psychomotor impairment and respiratory depression without a clear therapeutic advantage. Falls, confusion and next-day impairment are particular concerns.
What this interaction means in plain words
Clonazepam and Quazepam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive positive allosteric modulation of GABA-A receptors.
What to do
Avoid duplicate benzodiazepine therapy where possible and consolidate to a single agent. If both are needed, use the lowest doses and monitor sedation and respiration.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Clonazepam
- Calcium / magnesium / potassium / sodium oxybates + Clonazepam Contraindicated
- Clonazepam + Sodium oxybate Contraindicated
- Alfentanil + Clonazepam Major
- Alprazolam + Clonazepam Major
- Amobarbital + Clonazepam Major
- Belladonna and opium + Clonazepam Major
Frequently asked questions
Can I take Clonazepam with Quazepam?
MediHelp rates the interaction as moderate. Clonazepam and Quazepam can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Taking two benzodiazepines together produces additive sedation, psychomotor impairment and respiratory depression without a clear therapeutic advantage. Falls, confusion and next-day impairment are particular concerns.
How serious is the interaction between Clonazepam and Quazepam?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid duplicate benzodiazepine therapy where possible and consolidate to a single agent. If both are needed, use the lowest doses and monitor sedation and respiration.
What other medicines interact with Clonazepam?
MediHelp also lists interactions of Clonazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clonazepam page.
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