Drug interactions
Benzphetamine + Quetiapine
Severity: Minor
Benzphetamine and Quetiapine: minor 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
Benzphetamine is a sympathomimetic anorectic and quetiapine is a sedating antipsychotic, so their effects partly oppose each other. The clinical effect is unpredictable, and the stimulant may reduce sedation while adding to cardiovascular effects.
What this interaction means in plain words
Benzphetamine and Quetiapine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Opposing central pharmacodynamic effects; the mechanism is not well established.
What to do
No specific adjustment is needed. Monitor heart rate, blood pressure and psychiatric symptoms.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Benzphetamine with Quetiapine?
MediHelp rates the interaction as minor. Benzphetamine and Quetiapine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Benzphetamine is a sympathomimetic anorectic and quetiapine is a sedating antipsychotic, so their effects partly oppose each other. The clinical effect is unpredictable, and the stimulant may reduce sedation while adding to cardiovascular effects.
How serious is the interaction between Benzphetamine and Quetiapine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific adjustment is needed. Monitor heart rate, blood pressure and psychiatric symptoms.
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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