Drug interactions
Primidone + Triprolidine
Severity: Moderate
Primidone and Triprolidine: 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
Combining a sedating antihistamine with the barbiturate-derived anticonvulsant primidone increases drowsiness and impaired coordination. Falls and impaired driving are the main concerns.
What this interaction means in plain words
Primidone and Triprolidine 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.
Primidone belongs to Central Nervous System; Triprolidine belongs to Respiratory.
Why it happens
Additive CNS depression.
What to do
Counsel patients to avoid driving and alcohol. Consider a non-sedating antihistamine instead.
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 Triprolidine
Other interactions of Primidone
- Lorlatinib + Primidone Contraindicated
- Lurasidone + Primidone Contraindicated
- Primidone + Ranolazine Contraindicated
- Primidone + Sofosbuvir-velpatasvir-voxilaprevir Contraindicated
- Primidone + Voriconazole Contraindicated
- Abiraterone + Primidone Major
Frequently asked questions
Can I take Primidone with Triprolidine?
MediHelp rates the interaction as moderate. Primidone and Triprolidine 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. Combining a sedating antihistamine with the barbiturate-derived anticonvulsant primidone increases drowsiness and impaired coordination. Falls and impaired driving are the main concerns.
How serious is the interaction between Primidone and Triprolidine?
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 and alcohol. Consider a non-sedating antihistamine instead.
What other medicines interact with Triprolidine?
MediHelp also lists interactions of Triprolidine with, for example, Belladonna and opium, Benzhydrocodone / acetaminophen, Brexanolone. The full list is on the Triprolidine page.
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