相互作用
Ethinylestradiol + Exemestane
重症度: 重大
Ethinylestradiol and Exemestane: major interaction.
最終更新日
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概要
Exemestane suppresses estrogen synthesis in postmenopausal women with breast cancer, and ethinylestradiol supplies estrogen that opposes this. The combination may reduce exemestane efficacy.
この相互作用をわかりやすく説明すると
Ethinylestradiol and Exemestane 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.
なぜ起こるのか
Pharmacodynamic antagonism: exogenous estrogen counteracts aromatase inhibitor-induced estrogen suppression.
対処法
Avoid estrogen-containing products during exemestane therapy. Use non-hormonal alternatives for contraception or menopausal symptoms.
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、EthinylestradiolとExemestane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
WebでPro+を14日間無料でお試し。カード登録不要。
Exemestaneのその他の相互作用
よくある質問
Can I take Ethinylestradiol with Exemestane?
MediHelp rates the interaction as major. Ethinylestradiol and Exemestane 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. Exemestane suppresses estrogen synthesis in postmenopausal women with breast cancer, and ethinylestradiol supplies estrogen that opposes this. The combination may reduce exemestane efficacy.
How serious is the interaction between Ethinylestradiol and Exemestane?
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 estrogen-containing products during exemestane therapy. Use non-hormonal alternatives for contraception or menopausal symptoms.
What other medicines interact with Exemestane?
MediHelp also lists interactions of Exemestane with, for example, Bazedoxifene-conjugated estrogens, Desogestrel-ethinyl estradiol, Estradiol. The full list is on the Exemestane 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。
