Drug interactions
Baclofen + Quazepam
Severity: Moderate
Baclofen 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
Both drugs depress the central nervous system, so the combination can cause greater sedation, dizziness, impaired psychomotor performance and, at higher doses, respiratory depression. Older patients and those with respiratory disease are most vulnerable.
What this interaction means in plain words
Baclofen 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 CNS depression from GABA-B agonism (baclofen) and GABA-A positive allosteric modulation (benzodiazepine).
What to do
Use the lowest effective doses of both drugs and monitor for oversedation and respiratory depression. Counsel patients to avoid driving, alcohol and other sedatives.
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 Baclofen
Frequently asked questions
Can I take Baclofen with Quazepam?
MediHelp rates the interaction as moderate. Baclofen 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. Both drugs depress the central nervous system, so the combination can cause greater sedation, dizziness, impaired psychomotor performance and, at higher doses, respiratory depression. Older patients and those with respiratory disease are most vulnerable.
How serious is the interaction between Baclofen 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: Use the lowest effective doses of both drugs and monitor for oversedation and respiratory depression. Counsel patients to avoid driving, alcohol and other sedatives.
What other medicines interact with Baclofen?
MediHelp also lists interactions of Baclofen with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Baclofen page.
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