相互作用
Bosentan + Etonogestrel
重症度: 重大
Bosentan and Etonogestrel: major interaction.
最終更新日
医療従事者向け・参照専用。このページは簡潔な要約であり、医学的助言ではなく、公式の添付文書や臨床判断に代わるものではありません。処方・調剤の前に必ず確認してください。
このページの臨床コンテンツは英語でのみ提供されています。
概要
Bosentan induces CYP3A4 and may reduce etonogestrel concentrations from the implant or ring, potentially lowering contraceptive efficacy. This matters because bosentan is teratogenic.
この相互作用をわかりやすく説明すると
Bosentan and Etonogestrel 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.
Bosentan belongs to Miscellaneous; Etonogestrel belongs to Endocrine.
なぜ起こるのか
Bosentan induces CYP3A4, increasing the metabolism of etonogestrel.
対処法
Do not rely on etonogestrel alone; use an intrauterine device or add a barrier method during and after bosentan therapy. Perform pregnancy testing as indicated.
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、BosentanとEtonogestrel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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Etonogestrelのその他の相互作用
Bosentanのその他の相互作用
よくある質問
Can I take Bosentan with Etonogestrel?
MediHelp rates the interaction as major. Bosentan and Etonogestrel 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. Bosentan induces CYP3A4 and may reduce etonogestrel concentrations from the implant or ring, potentially lowering contraceptive efficacy. This matters because bosentan is teratogenic.
How serious is the interaction between Bosentan and Etonogestrel?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not rely on etonogestrel alone; use an intrauterine device or add a barrier method during and after bosentan therapy. Perform pregnancy testing as indicated.
What other medicines interact with Etonogestrel?
MediHelp also lists interactions of Etonogestrel with, for example, Amobarbital, Armodafinil, Brigatinib. The full list is on the Etonogestrel 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。
