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相互作用

Clozapine + Mexiletine

重症度: 重大

Clozapine and Mexiletine: major interaction.

最終更新日

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概要

Mexiletine inhibits CYP1A2, the main route of clozapine clearance, and can substantially raise clozapine levels. This may cause sedation, hypotension, seizures, myocarditis risk and QT effects.

この相互作用をわかりやすく説明すると

Clozapine and Mexiletine 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.

Clozapine belongs to Central Nervous System; Mexiletine belongs to Cardiovascular.

エビデンスレベル: Moderate

なぜ起こるのか

Mexiletine inhibits CYP1A2-mediated clozapine metabolism.

対処法

Monitor clozapine levels and sedation, blood pressure and ECG; reduce the clozapine dose if levels rise.

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?

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

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、ClozapineとMexiletine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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よくある質問

Can I take Clozapine with Mexiletine?

MediHelp rates the interaction as major. Clozapine and Mexiletine 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. Mexiletine inhibits CYP1A2, the main route of clozapine clearance, and can substantially raise clozapine levels. This may cause sedation, hypotension, seizures, myocarditis risk and QT effects.

How serious is the interaction between Clozapine and Mexiletine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor clozapine levels and sedation, blood pressure and ECG; reduce the clozapine dose if levels rise.

What other medicines interact with Mexiletine?

MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Mexiletine 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。

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