藥物交互作用
Apalutamide + Levonorgestrel
嚴重程度: 嚴重
Apalutamide and Levonorgestrel: major interaction.
最後更新
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摘要
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.
用白話說明這項交互作用的意義
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.
為什麼會發生
CYP3A4 induction by apalutamide increases levonorgestrel metabolism.
處置方式
Use an alternative or additional non-hormonal contraceptive method such as a copper IUD or barrier method. Continue for a period after stopping apalutamide.
可向藥師詢問的問題
- 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?
Apalutamide 的其他交互作用
Levonorgestrel 的其他交互作用
常見問題
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.
在 MediHelp App 中取得完整藥品專論、劑量資訊與交互作用檢查
在 MediHelp App 中開啟完整參考資料、檢查多種藥物間的交互作用，並使用劑量工具。
