Drug interactions
Phenobarbital + Triprolidine
Severity: Moderate
Phenobarbital 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
Phenobarbital is a barbiturate and triprolidine adds to its sedative effect. This can cause excess drowsiness, impaired coordination and respiratory depression.
What this interaction means in plain words
Phenobarbital 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.
Why it happens
Additive CNS depression.
What to do
Monitor for oversedation, particularly after starting or increasing doses. Prefer a non-sedating antihistamine.
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
Frequently asked questions
Can I take Phenobarbital with Triprolidine?
MediHelp rates the interaction as moderate. Phenobarbital 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. Phenobarbital is a barbiturate and triprolidine adds to its sedative effect. This can cause excess drowsiness, impaired coordination and respiratory depression.
How serious is the interaction between Phenobarbital 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: Monitor for oversedation, particularly after starting or increasing doses. Prefer a non-sedating antihistamine.
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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