Drug interactions
Quazepam + Trimipramine
Severity: Moderate
Quazepam and Trimipramine: 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
Quazepam is a long-acting benzodiazepine hypnotic and adds to trimipramine's sedative effect. This can cause daytime drowsiness, impaired coordination, falls and cognitive impairment, especially in older patients.
What this interaction means in plain words
Quazepam and Trimipramine 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 via GABA-A potentiation and histamine H1 blockade.
What to do
Use the lowest effective doses for the shortest time and monitor sedation and psychomotor performance. Avoid alcohol and counsel on driving.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Quazepam and Trimipramine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Quazepam with Trimipramine?
MediHelp rates the interaction as moderate. Quazepam and Trimipramine 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. Quazepam is a long-acting benzodiazepine hypnotic and adds to trimipramine's sedative effect. This can cause daytime drowsiness, impaired coordination, falls and cognitive impairment, especially in older patients.
How serious is the interaction between Quazepam and Trimipramine?
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 for the shortest time and monitor sedation and psychomotor performance. Avoid alcohol and counsel on driving.
What other medicines interact with Trimipramine?
MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
