藥物交互作用
Amobarbital + Ethinyl estradiol-levonorgestrel
嚴重程度: 嚴重
Amobarbital and Ethinyl estradiol-levonorgestrel: major interaction.
最後更新
僅供醫療專業人員參考。本頁為簡要摘要，並非醫療建議，亦不能取代官方仿單或臨床判斷。開立處方或調劑前請務必核實。
本頁的臨床內容僅提供英文版。
摘要
Barbiturates induce liver enzymes and lower contraceptive hormone concentrations. This can lead to breakthrough bleeding and contraceptive failure.
用白話說明這項交互作用的意義
Amobarbital and Ethinyl estradiol-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.
Amobarbital belongs to Central Nervous System; Ethinyl estradiol-levonorgestrel belongs to Endocrine.
為什麼會發生
Induction of CYP3A4 by amobarbital increases metabolism of ethinyl estradiol and levonorgestrel.
處置方式
Use a non-hormonal contraceptive such as a copper IUD instead of relying on the pill during and after barbiturate treatment.
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?
Ethinyl estradiol-levonorgestrel 的其他交互作用
- Ethinyl estradiol-levonorgestrel + Fezolinetant 禁忌併用
- Ethinyl estradiol-levonorgestrel + Ombitasvir / paritaprevir / ritonavir and dasabuvir 禁忌併用
- Ethinyl estradiol-levonorgestrel + Tranexamic acid 禁忌併用
- Aminocaproic acid + Ethinyl estradiol-levonorgestrel 嚴重
- Anastrozole + Ethinyl estradiol-levonorgestrel 嚴重
- Antithrombin alfa + Ethinyl estradiol-levonorgestrel 嚴重
Amobarbital 的其他交互作用
常見問題
Can I take Amobarbital with Ethinyl estradiol-levonorgestrel?
MediHelp rates the interaction as major. Amobarbital and Ethinyl estradiol-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. Barbiturates induce liver enzymes and lower contraceptive hormone concentrations. This can lead to breakthrough bleeding and contraceptive failure.
How serious is the interaction between Amobarbital and Ethinyl estradiol-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 a non-hormonal contraceptive such as a copper IUD instead of relying on the pill during and after barbiturate treatment.
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.
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。
