Drug interactions
Duloxetine + Olopatadine intranasal
Severity: Minor
Duloxetine and Olopatadine intranasal: 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 is an antihistamine that can cause somnolence, and duloxetine may also cause drowsiness and dizziness. Systemic exposure from the nasal spray is limited, so additive impairment is possible but usually mild.
What this interaction means in plain words
Duloxetine and Olopatadine intranasal 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 depression from sedating antihistamine effects and duloxetine.
What to do
Advise patients to watch for drowsiness and avoid driving until their response is known. Avoid adding other sedatives or alcohol.
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 Duloxetine
- Duloxetine + Isocarboxazid Contraindicated
- Duloxetine + Linezolid Contraindicated
- Duloxetine + Methylene blue Contraindicated
- Duloxetine + Phenelzine Contraindicated
- Duloxetine + Procarbazine Contraindicated
- Duloxetine + Rasagiline Contraindicated
Frequently asked questions
Can I take Duloxetine with Olopatadine intranasal?
MediHelp rates the interaction as minor. Duloxetine and Olopatadine intranasal 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 is an antihistamine that can cause somnolence, and duloxetine may also cause drowsiness and dizziness. Systemic exposure from the nasal spray is limited, so additive impairment is possible but usually mild.
How serious is the interaction between Duloxetine and Olopatadine intranasal?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to watch for drowsiness and avoid driving until their response is known. Avoid adding other sedatives or alcohol.
What other medicines interact with Duloxetine?
MediHelp also lists interactions of Duloxetine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Duloxetine page.
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