Drug interactions
Olopatadine intranasal + Pimozide
Severity: Moderate
Olopatadine intranasal and Pimozide: 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
Both drugs can cause sedation, so combined use may add to drowsiness and impair psychomotor performance. Systemic absorption of intranasal olopatadine is modest, so the effect is usually limited.
What this interaction means in plain words
Olopatadine intranasal and Pimozide 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 depressant effects from antihistaminic and antipsychotic sedation.
What to do
Counsel patients about drowsiness and caution with driving or machinery. Consider a non-sedating alternative if impairment occurs.
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 Pimozide
- Adagrasib + Pimozide Contraindicated
- Amiodarone + Pimozide Contraindicated
- Amisulpride + Pimozide Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amoxapine + Pimozide Contraindicated
- Anagrelide + Pimozide Contraindicated
Frequently asked questions
Can I take Olopatadine intranasal with Pimozide?
MediHelp rates the interaction as moderate. Olopatadine intranasal and Pimozide 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. Both drugs can cause sedation, so combined use may add to drowsiness and impair psychomotor performance. Systemic absorption of intranasal olopatadine is modest, so the effect is usually limited.
How serious is the interaction between Olopatadine intranasal and Pimozide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about drowsiness and caution with driving or machinery. Consider a non-sedating alternative if impairment occurs.
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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