Drug interactions
Chlordiazepoxide + Triprolidine
Severity: Moderate
Chlordiazepoxide 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
Triprolidine is a sedating first-generation antihistamine and chlordiazepoxide is a benzodiazepine. Taken together they produce additive drowsiness, slowed reaction time and impaired psychomotor performance, which raises the risk of falls and accidents.
What this interaction means in plain words
Chlordiazepoxide 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.
Chlordiazepoxide belongs to Central Nervous System; Triprolidine belongs to Respiratory.
Why it happens
Additive central nervous system depression from H1-receptor antagonism and enhanced GABA-A activity.
What to do
Warn the patient about additional sedation and advise against driving or operating machinery. Use the lowest effective doses, or choose 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
Other interactions of Chlordiazepoxide
Frequently asked questions
Can I take Chlordiazepoxide with Triprolidine?
MediHelp rates the interaction as moderate. Chlordiazepoxide 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. Triprolidine is a sedating first-generation antihistamine and chlordiazepoxide is a benzodiazepine. Taken together they produce additive drowsiness, slowed reaction time and impaired psychomotor performance, which raises the risk of falls and accidents.
How serious is the interaction between Chlordiazepoxide 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: Warn the patient about additional sedation and advise against driving or operating machinery. Use the lowest effective doses, or choose 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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