Drug interactions
Estazolam + Quetiapine
Severity: Moderate
Estazolam and Quetiapine: 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
Estazolam is a benzodiazepine hypnotic, and combining it with quetiapine increases sedation, psychomotor impairment and orthostatic hypotension. Falls and next-day impairment are more likely, especially in older adults.
What this interaction means in plain words
Estazolam and Quetiapine 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 through GABA-A enhancement and quetiapine's sedative receptor blockade.
What to do
Use the lowest effective doses and the shortest duration, and monitor for oversedation and falls. Warn patients against driving and alcohol.
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 Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Frequently asked questions
Can I take Estazolam with Quetiapine?
MediHelp rates the interaction as moderate. Estazolam and Quetiapine 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. Estazolam is a benzodiazepine hypnotic, and combining it with quetiapine increases sedation, psychomotor impairment and orthostatic hypotension. Falls and next-day impairment are more likely, especially in older adults.
How serious is the interaction between Estazolam and Quetiapine?
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 and the shortest duration, and monitor for oversedation and falls. Warn patients against driving and alcohol.
What other medicines interact with Quetiapine?
MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.
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