Drug interactions
Olopatadine intranasal + Quetiapine
Severity: Minor
Olopatadine intranasal 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
Both agents can cause drowsiness, and intranasal olopatadine may add to the sedation from quetiapine. This can impair alertness and psychomotor performance, though systemic exposure from the nasal spray is limited.
What this interaction means in plain words
Olopatadine intranasal 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
Additive CNS depressant effects (histamine H1 blockade and sedation).
What to do
Counsel patients about additive drowsiness and caution when driving or operating machinery. Reduce or stop the nasal antihistamine if daytime sedation becomes troublesome.
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 Olopatadine intranasal with Quetiapine?
MediHelp rates the interaction as minor. Olopatadine intranasal 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. Both agents can cause drowsiness, and intranasal olopatadine may add to the sedation from quetiapine. This can impair alertness and psychomotor performance, though systemic exposure from the nasal spray is limited.
How serious is the interaction between Olopatadine intranasal 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: Counsel patients about additive drowsiness and caution when driving or operating machinery. Reduce or stop the nasal antihistamine if daytime sedation becomes troublesome.
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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