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Interactions médicamenteuses

Citalopram + Omeprazole

Gravité: Majeure

Citalopram and Omeprazole: major interaction.

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Résumé

Omeprazole inhibits CYP2C19 and increases citalopram exposure, which raises the risk of dose-related QT prolongation. Labeling limits the citalopram dose when used with CYP2C19 inhibitors.

Ce que signifie cette interaction, en termes simples

Citalopram and Omeprazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Citalopram belongs to Central Nervous System; Omeprazole belongs to Gastrointestinal Tract.

Niveau de preuve: High

Pourquoi elle survient

Omeprazole inhibits CYP2C19-mediated metabolism of citalopram.

Conduite à tenir

Limit citalopram to 20 mg daily, or use an alternative PPI such as pantoprazole or another antidepressant; monitor ECG and electrolytes in patients at QT risk.

Questions à poser à votre pharmacien

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Citalopram with Omeprazole?

MediHelp rates the interaction as major. Citalopram and Omeprazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Omeprazole inhibits CYP2C19 and increases citalopram exposure, which raises the risk of dose-related QT prolongation. Labeling limits the citalopram dose when used with CYP2C19 inhibitors.

How serious is the interaction between Citalopram and Omeprazole?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit citalopram to 20 mg daily, or use an alternative PPI such as pantoprazole or another antidepressant; monitor ECG and electrolytes in patients at QT risk.

What other medicines interact with Omeprazole?

MediHelp also lists interactions of Omeprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Omeprazole 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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