相互作用
Citalopram + Omeprazole
重症度: 重大
Citalopram and Omeprazole: major interaction.
最終更新日
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概要
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.
この相互作用をわかりやすく説明すると
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.
なぜ起こるのか
Omeprazole inhibits CYP2C19-mediated metabolism of citalopram.
対処法
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.
薬剤師に尋ねること
- 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?
Pro+会員向け
ページ全体を見る
アカウントを作成してPro+トライアルを始めると、CitalopramとOmeprazoleの臨床対応の詳細なアドバイス、追加の注記、エビデンスの詳細、処方全体を対象とした相互作用チェッカーを利用できます。
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
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Omeprazoleのその他の相互作用
Citalopramのその他の相互作用
よくある質問
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.
完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで
MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。
