相互作用
Belzutifan + Ethinyl estradiol-drospirenone
重症度: 重大
Belzutifan and Ethinyl estradiol-drospirenone: major interaction.
最終更新日
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概要
Belzutifan can reduce exposure to hormonal contraceptives, which may cause contraceptive failure or breakthrough bleeding. This matters because belzutifan can cause fetal harm.
この相互作用をわかりやすく説明すると
Belzutifan and Ethinyl estradiol-drospirenone 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.
Belzutifan belongs to Miscellaneous; Ethinyl estradiol-drospirenone belongs to Endocrine.
なぜ起こるのか
Belzutifan induces CYP3A4, increasing metabolism of ethinyl estradiol and drospirenone.
対処法
Use an effective non-hormonal contraceptive method during treatment and for the period specified in labeling after the last dose. Do not rely on hormonal contraception alone.
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、BelzutifanとEthinyl estradiol-drospirenone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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Ethinyl estradiol-drospirenoneのその他の相互作用
- Ethinyl estradiol-drospirenone + Fezolinetant 併用禁忌
- Ethinyl estradiol-drospirenone + Ombitasvir / paritaprevir / ritonavir 併用禁忌
- Ethinyl estradiol-drospirenone + Ombitasvir / paritaprevir / ritonavir and dasabuvir 併用禁忌
- Ethinyl estradiol-drospirenone + Tranexamic acid 併用禁忌
- Aminocaproic acid + Ethinyl estradiol-drospirenone 重大
- Amobarbital + Ethinyl estradiol-drospirenone 重大
Belzutifanのその他の相互作用
よくある質問
Can I take Belzutifan with Ethinyl estradiol-drospirenone?
MediHelp rates the interaction as major. Belzutifan and Ethinyl estradiol-drospirenone 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. Belzutifan can reduce exposure to hormonal contraceptives, which may cause contraceptive failure or breakthrough bleeding. This matters because belzutifan can cause fetal harm.
How serious is the interaction between Belzutifan and Ethinyl estradiol-drospirenone?
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 effective non-hormonal contraceptive method during treatment and for the period specified in labeling after the last dose. Do not rely on hormonal contraception alone.
What other medicines interact with Ethinyl estradiol-drospirenone?
MediHelp also lists interactions of Ethinyl estradiol-drospirenone with, for example, Fezolinetant, Ombitasvir / paritaprevir / ritonavir, Ombitasvir / paritaprevir / ritonavir and dasabuvir. The full list is on the Ethinyl estradiol-drospirenone 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。
