Drug interactions
citalopram + pimozide
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.
Overview
Serious QT prolongation; combination is contraindicated.
Mechanism of action
Additive QT effects.
Clinical management
Do not co-administer; choose different SSRI/antipsychotic.
Drug reference
References
Frequently asked questions
Can I take citalopram with pimozide?
The interaction is rated: Contraindicated. Serious QT prolongation; combination is contraindicated.
How serious is the interaction between citalopram and pimozide?
The interaction is rated: Contraindicated. Evidence level: High.
How is the interaction between citalopram and pimozide managed?
Do not co-administer; choose different SSRI/antipsychotic.
Why do citalopram and pimozide interact?
Additive QT effects.
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