Drug interactions
Gabapentin + Olopatadine intranasal
Severity: Moderate
Gabapentin 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 gabapentin also causes sedation and dizziness. The combination may increase daytime drowsiness and psychomotor impairment.
What this interaction means in plain words
Gabapentin 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 the sedating effects of both drugs.
What to do
Counsel the patient about drowsiness and avoidance of driving or hazardous tasks until the response is known. Consider a non-sedating nasal 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 Gabapentin
Frequently asked questions
Can I take Gabapentin with Olopatadine intranasal?
MediHelp rates the interaction as moderate. Gabapentin 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 gabapentin also causes sedation and dizziness. The combination may increase daytime drowsiness and psychomotor impairment.
How serious is the interaction between Gabapentin 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: Counsel the patient about drowsiness and avoidance of driving or hazardous tasks until the response is known. Consider a non-sedating nasal alternative if impairment occurs.
What other medicines interact with Gabapentin?
MediHelp also lists interactions of Gabapentin with, for example, Alprazolam, Amobarbital, Belladonna and opium. The full list is on the Gabapentin page.
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