相互作用
Phenytoin + Vonoprazan
重症度: 重大
Phenytoin and Vonoprazan: major interaction.
最終更新日
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概要
Phenytoin may lower vonoprazan exposure and reduce acid suppression, which could compromise healing or H. pylori eradication regimens.
この相互作用をわかりやすく説明すると
Phenytoin and Vonoprazan 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.
Phenytoin belongs to Central Nervous System; Vonoprazan belongs to Gastrointestinal Tract.
なぜ起こるのか
Phenytoin induces CYP3A4, which contributes to vonoprazan metabolism.
対処法
Avoid concurrent use where possible and consider an alternative acid suppressant; monitor clinical response if combined.
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、PhenytoinとVonoprazan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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Phenytoinのその他の相互作用
Vonoprazanのその他の相互作用
よくある質問
Can I take Phenytoin with Vonoprazan?
MediHelp rates the interaction as major. Phenytoin and Vonoprazan 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. Phenytoin may lower vonoprazan exposure and reduce acid suppression, which could compromise healing or H. pylori eradication regimens.
How serious is the interaction between Phenytoin and Vonoprazan?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where possible and consider an alternative acid suppressant; monitor clinical response if combined.
What other medicines interact with Phenytoin?
MediHelp also lists interactions of Phenytoin with, for example, Artemether / lumefantrine, Bictegravir, Cabotegravir. The full list is on the Phenytoin 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。
