Drug interactions
Olopatadine intranasal + Valproic acid
Severity: Minor
Olopatadine intranasal and Valproic acid: 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
Intranasal olopatadine can cause somnolence and valproate is also sedating. Additive drowsiness is possible, though systemic exposure from the nasal spray is low.
What this interaction means in plain words
Olopatadine intranasal and Valproic acid 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.
What to do
Counsel patients about drowsiness and caution with driving. Reduce olopatadine use if sedation occurs.
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 Valproic acid
- Ertapenem + Valproic acid Contraindicated
- Imipenem / cilastatin / relebactam + Valproic acid Contraindicated
- Imipenem / cilastatin + Valproic acid Contraindicated
- Meropenem / vaborbactam + Valproic acid Contraindicated
- Meropenem + Valproic acid Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Valproic acid Major
Frequently asked questions
Can I take Olopatadine intranasal with Valproic acid?
MediHelp rates the interaction as minor. Olopatadine intranasal and Valproic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Intranasal olopatadine can cause somnolence and valproate is also sedating. Additive drowsiness is possible, though systemic exposure from the nasal spray is low.
How serious is the interaction between Olopatadine intranasal and Valproic acid?
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 drowsiness and caution with driving. Reduce olopatadine use if sedation occurs.
What other medicines interact with Valproic acid?
MediHelp also lists interactions of Valproic acid with, for example, Ertapenem, Imipenem / cilastatin / relebactam, Imipenem / cilastatin. The full list is on the Valproic acid page.
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