相互作用
Apalutamide + Levonorgestrel
重症度: 重大
Apalutamide and Levonorgestrel: major interaction.
最終更新日
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概要
Apalutamide may reduce levonorgestrel concentrations, risking contraceptive failure and unintended pregnancy. This applies to oral and emergency use, and apalutamide is relevant mainly in contexts such as female partners' contraception or other off-label settings.
この相互作用をわかりやすく説明すると
Apalutamide and Levonorgestrel 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.
Apalutamide belongs to Endocrine; Levonorgestrel belongs to Endocrine.
なぜ起こるのか
CYP3A4 induction by apalutamide increases levonorgestrel metabolism.
対処法
Use an alternative or additional non-hormonal contraceptive method such as a copper IUD or barrier method. Continue for a period after stopping apalutamide.
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、ApalutamideとLevonorgestrel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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Apalutamideのその他の相互作用
Levonorgestrelのその他の相互作用
よくある質問
Can I take Apalutamide with Levonorgestrel?
MediHelp rates the interaction as major. Apalutamide and Levonorgestrel 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. Apalutamide may reduce levonorgestrel concentrations, risking contraceptive failure and unintended pregnancy. This applies to oral and emergency use, and apalutamide is relevant mainly in contexts such as female partners' contraception or other off-label settings.
How serious is the interaction between Apalutamide and Levonorgestrel?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an alternative or additional non-hormonal contraceptive method such as a copper IUD or barrier method. Continue for a period after stopping apalutamide.
What other medicines interact with Apalutamide?
MediHelp also lists interactions of Apalutamide with, for example, Cabotegravir, Cobicistat, Doravirine. The full list is on the Apalutamide 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。
