Drug interactions
Azelastine + Triprolidine
Severity: Moderate
Azelastine 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 H1 antihistamines, and triprolidine is a sedating first-generation agent, so combined use can cause duplicated antihistamine effects and increased drowsiness. Impaired alertness and anticholinergic effects may be more pronounced in older adults.
What this interaction means in plain words
Azelastine 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.
Azelastine belongs to Respiratory; Triprolidine belongs to Respiratory.
Why it happens
Additive H1-receptor antagonism producing CNS depression and anticholinergic effects.
What to do
Avoid concurrent use of two antihistamines where possible and choose one agent. If both are used, advise against driving and monitor for sedation.
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 Azelastine
Other interactions of Triprolidine
Frequently asked questions
Can I take Azelastine with Triprolidine?
MediHelp rates the interaction as moderate. Azelastine 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 H1 antihistamines, and triprolidine is a sedating first-generation agent, so combined use can cause duplicated antihistamine effects and increased drowsiness. Impaired alertness and anticholinergic effects may be more pronounced in older adults.
How serious is the interaction between Azelastine 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 of two antihistamines where possible and choose one agent. If both are used, advise against driving and monitor for sedation.
What other medicines interact with Azelastine?
MediHelp also lists interactions of Azelastine with, for example, Calcium / magnesium / potassium / sodium oxybates, Methadone, Sodium oxybate. The full list is on the Azelastine page.
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