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Interactions médicamenteuses

Midazolam + Pheniramine

Gravité: Modérée

Midazolam and Pheniramine: moderate interaction.

Dernière mise à jour

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Résumé

Pheniramine is a first-generation sedating antihistamine, and combined with midazolam it can produce additive drowsiness, psychomotor impairment and, at higher doses, respiratory depression. Elderly patients are particularly vulnerable to confusion and falls.

Ce que signifie cette interaction, en termes simples

Midazolam and Pheniramine 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.

Midazolam belongs to Central Nervous System; Pheniramine belongs to Respiratory.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive CNS depression from central H1 antagonism and GABA-A potentiation.

Conduite à tenir

Reduce the midazolam dose, titrate carefully, and monitor sedation and respiratory rate; avoid in frail patients if alternatives exist.

Questions à poser à votre pharmacien

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Midazolam with Pheniramine?

MediHelp rates the interaction as moderate. Midazolam and Pheniramine 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. Pheniramine is a first-generation sedating antihistamine, and combined with midazolam it can produce additive drowsiness, psychomotor impairment and, at higher doses, respiratory depression. Elderly patients are particularly vulnerable to confusion and falls.

How serious is the interaction between Midazolam and Pheniramine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce the midazolam dose, titrate carefully, and monitor sedation and respiratory rate; avoid in frail patients if alternatives exist.

What other medicines interact with Midazolam?

MediHelp also lists interactions of Midazolam with, for example, Atazanavir, Cobicistat, Darunavir. The full list is on the Midazolam page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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