Drug interactions
Dexchlorpheniramine + Triprolidine
Severity: Moderate
Dexchlorpheniramine 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
Both are first-generation antihistamines, so combining them duplicates therapy and increases drowsiness and anticholinergic effects such as dry mouth, urinary retention and confusion. Older adults are particularly sensitive.
What this interaction means in plain words
Dexchlorpheniramine 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.
Dexchlorpheniramine belongs to Respiratory; Triprolidine belongs to Respiratory.
Why it happens
Therapeutic duplication with additive H1 blockade and antimuscarinic activity.
What to do
Avoid concurrent use and keep a single antihistamine. Check multi-ingredient cold and allergy products for duplicates.
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 Dexchlorpheniramine
- Alprazolam + Dexchlorpheniramine Moderate
- Amisulpride + Dexchlorpheniramine Moderate
- Amitriptyline + Dexchlorpheniramine Moderate
- Amobarbital + Dexchlorpheniramine Moderate
- Asenapine + Dexchlorpheniramine Moderate
- Azelastine-fluticasone + Dexchlorpheniramine Moderate
Frequently asked questions
Can I take Dexchlorpheniramine with Triprolidine?
MediHelp rates the interaction as moderate. Dexchlorpheniramine 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. Both are first-generation antihistamines, so combining them duplicates therapy and increases drowsiness and anticholinergic effects such as dry mouth, urinary retention and confusion. Older adults are particularly sensitive.
How serious is the interaction between Dexchlorpheniramine 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: Avoid concurrent use and keep a single antihistamine. Check multi-ingredient cold and allergy products for duplicates.
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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