Drug interactions
Amitriptyline + Olopatadine intranasal
Severity: Moderate
Amitriptyline and Olopatadine intranasal: 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
Intranasal olopatadine can cause somnolence, and amitriptyline is also sedating, so the combination may increase drowsiness and impair psychomotor performance. The effect is usually manageable.
What this interaction means in plain words
Amitriptyline and Olopatadine intranasal 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 depression from histamine H1 antagonism and tricyclic sedative effects.
What to do
Warn patients about drowsiness and avoid driving or operating machinery until the response is known. Consider a non-sedating nasal alternative if sedation is troublesome.
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 Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicated
- Amitriptyline + Methylene blue Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amitriptyline + Safinamide Contraindicated
Frequently asked questions
Can I take Amitriptyline with Olopatadine intranasal?
MediHelp rates the interaction as moderate. Amitriptyline and Olopatadine intranasal 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. Intranasal olopatadine can cause somnolence, and amitriptyline is also sedating, so the combination may increase drowsiness and impair psychomotor performance. The effect is usually manageable.
How serious is the interaction between Amitriptyline and Olopatadine intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Warn patients about drowsiness and avoid driving or operating machinery until the response is known. Consider a non-sedating nasal alternative if sedation is troublesome.
What other medicines interact with Amitriptyline?
MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline page.
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