Drug interactions
Caffeine + Pimozide
Severity: Minor
Caffeine and Pimozide: 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
Caffeine is a stimulant that may partly offset pimozide sedation, but no reliable clinically significant interaction is established. Caffeine is a CYP1A2 substrate and pimozide is partly metabolized by CYP1A2, but the relevance of any competition is unclear.
What this interaction means in plain words
Caffeine and Pimozide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Caffeine belongs to Miscellaneous; Pimozide belongs to Central Nervous System.
Why it happens
Opposing CNS effects; any pharmacokinetic interaction via CYP1A2 is not established.
What to do
No specific action is needed beyond awareness. Advise patients to keep caffeine intake consistent and report palpitations or worsening 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 Pimozide
- Adagrasib + Pimozide Contraindicated
- Amiodarone + Pimozide Contraindicated
- Amisulpride + Pimozide Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amoxapine + Pimozide Contraindicated
- Anagrelide + Pimozide Contraindicated
Other interactions of Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Benzphetamine + Caffeine Moderate
Frequently asked questions
Can I take Caffeine with Pimozide?
MediHelp rates the interaction as minor. Caffeine and Pimozide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Caffeine is a stimulant that may partly offset pimozide sedation, but no reliable clinically significant interaction is established. Caffeine is a CYP1A2 substrate and pimozide is partly metabolized by CYP1A2, but the relevance of any competition is unclear.
How serious is the interaction between Caffeine and Pimozide?
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 action is needed beyond awareness. Advise patients to keep caffeine intake consistent and report palpitations or worsening symptoms.
What other medicines interact with Pimozide?
MediHelp also lists interactions of Pimozide with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Pimozide page.
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