Drug interactions
Ethosuximide + Olopatadine intranasal
Severity: Minor
Ethosuximide 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 can cause somnolence, and ethosuximide also causes drowsiness. Together they may increase daytime sedation and impair psychomotor performance.
What this interaction means in plain words
Ethosuximide 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 depressant effects.
What to do
Warn patients about additive drowsiness and caution when driving. Reduce use of olopatadine if sedation is troublesome.
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 Ethosuximide
- Benzhydrocodone / acetaminophen + Ethosuximide Major
- Buprenorphine long-acting + Ethosuximide Major
- Buprenorphine subdermal implant + Ethosuximide Major
- Buprenorphine transdermal + Ethosuximide Major
- Calcium / magnesium / potassium / sodium oxybates + Ethosuximide Major
- Ethosuximide + Fentanyl intranasal Major
Frequently asked questions
Can I take Ethosuximide with Olopatadine intranasal?
MediHelp rates the interaction as minor. Ethosuximide 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 can cause somnolence, and ethosuximide also causes drowsiness. Together they may increase daytime sedation and impair psychomotor performance.
How serious is the interaction between Ethosuximide 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: Warn patients about additive drowsiness and caution when driving. Reduce use of olopatadine if sedation is troublesome.
What other medicines interact with Ethosuximide?
MediHelp also lists interactions of Ethosuximide with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Ethosuximide page.
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