相互作用
Amiodarone + Carvedilol
重症度: 重大
Amiodarone and Carvedilol: major interaction.
最終更新日
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概要
Amiodarone inhibits CYP2D6 and CYP2C9 and raises carvedilol exposure. Both drugs slow heart rate and AV conduction, so bradycardia, heart block and hypotension may occur.
この相互作用をわかりやすく説明すると
Amiodarone and Carvedilol 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.
Amiodarone belongs to Cardiovascular; Carvedilol belongs to Cardiovascular.
なぜ起こるのか
Pharmacokinetic inhibition of carvedilol metabolism plus additive negative chronotropic and dromotropic effects.
対処法
Monitor ECG and heart rate, particularly at initiation, and start with a low carvedilol dose. Avoid in patients with sinus node dysfunction or conduction disease unless paced.
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、AmiodaroneとCarvedilol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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Carvedilolのその他の相互作用
Amiodaroneのその他の相互作用
よくある質問
Can I take Amiodarone with Carvedilol?
MediHelp rates the interaction as major. Amiodarone and Carvedilol 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. Amiodarone inhibits CYP2D6 and CYP2C9 and raises carvedilol exposure. Both drugs slow heart rate and AV conduction, so bradycardia, heart block and hypotension may occur.
How serious is the interaction between Amiodarone and Carvedilol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and heart rate, particularly at initiation, and start with a low carvedilol dose. Avoid in patients with sinus node dysfunction or conduction disease unless paced.
What other medicines interact with Carvedilol?
MediHelp also lists interactions of Carvedilol with, for example, Albuterol, Amifostine, Arformoterol. The full list is on the Carvedilol 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。
