相互作用
Ethinyl estradiol-levonorgestrel + Rufinamide
重症度: 中等度
Ethinyl estradiol-levonorgestrel and Rufinamide: moderate interaction.
最終更新日
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概要
Rufinamide is a weak CYP3A4 inducer and may lower exposure to ethinyl estradiol and levonorgestrel. This can reduce contraceptive efficacy and increase the risk of breakthrough bleeding or unintended pregnancy.
この相互作用をわかりやすく説明すると
Ethinyl estradiol-levonorgestrel and Rufinamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Ethinyl estradiol-levonorgestrel belongs to Endocrine; Rufinamide belongs to Central Nervous System.
なぜ起こるのか
Weak induction of CYP3A4 increases metabolic clearance of the contraceptive steroids.
対処法
Advise an additional or alternative non-hormonal contraceptive method during rufinamide therapy. Consider a higher-dose or non-oral method and review efficacy if breakthrough bleeding occurs.
薬剤師に尋ねること
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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アカウントを作成してPro+トライアルを始めると、Ethinyl estradiol-levonorgestrelとRufinamide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-levonorgestrelのその他の相互作用
- Ethinyl estradiol-levonorgestrel + Fezolinetant 併用禁忌
- Ethinyl estradiol-levonorgestrel + Ombitasvir / paritaprevir / ritonavir and dasabuvir 併用禁忌
- Ethinyl estradiol-levonorgestrel + Tranexamic acid 併用禁忌
- Aminocaproic acid + Ethinyl estradiol-levonorgestrel 重大
- Amobarbital + Ethinyl estradiol-levonorgestrel 重大
- Anastrozole + Ethinyl estradiol-levonorgestrel 重大
Rufinamideのその他の相互作用
よくある質問
Can I take Ethinyl estradiol-levonorgestrel with Rufinamide?
MediHelp rates the interaction as moderate. Ethinyl estradiol-levonorgestrel and Rufinamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Rufinamide is a weak CYP3A4 inducer and may lower exposure to ethinyl estradiol and levonorgestrel. This can reduce contraceptive efficacy and increase the risk of breakthrough bleeding or unintended pregnancy.
How serious is the interaction between Ethinyl estradiol-levonorgestrel and Rufinamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise an additional or alternative non-hormonal contraceptive method during rufinamide therapy. Consider a higher-dose or non-oral method and review efficacy if breakthrough bleeding occurs.
What other medicines interact with Ethinyl estradiol-levonorgestrel?
MediHelp also lists interactions of Ethinyl estradiol-levonorgestrel with, for example, Fezolinetant, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Tranexamic acid. The full list is on the Ethinyl estradiol-levonorgestrel 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。
