Drug interactions
Olopatadine intranasal + Scopolamine
Severity: Moderate
Olopatadine intranasal and Scopolamine: 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 scopolamine also causes drowsiness and cognitive slowing. Used together they may increase CNS depression and impair psychomotor performance and daytime alertness.
What this interaction means in plain words
Olopatadine intranasal and Scopolamine 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 sedation from antihistaminic and central antimuscarinic effects.
What to do
Counsel patients to avoid driving or hazardous tasks until the combined effect is known. Consider a non-sedating alternative if drowsiness 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 Scopolamine
Frequently asked questions
Can I take Olopatadine intranasal with Scopolamine?
MediHelp rates the interaction as moderate. Olopatadine intranasal and Scopolamine 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 scopolamine also causes drowsiness and cognitive slowing. Used together they may increase CNS depression and impair psychomotor performance and daytime alertness.
How serious is the interaction between Olopatadine intranasal and Scopolamine?
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 patients to avoid driving or hazardous tasks until the combined effect is known. Consider a non-sedating alternative if drowsiness is troublesome.
What other medicines interact with Scopolamine?
MediHelp also lists interactions of Scopolamine with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Scopolamine page.
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