相互作用
Amiodarone + Timolol
重症度: 重大
Amiodarone and Timolol: major interaction.
最終更新日
医療従事者向け・参照専用。このページは簡潔な要約であり、医学的助言ではなく、公式の添付文書や臨床判断に代わるものではありません。処方・調剤の前に必ず確認してください。
このページの臨床コンテンツは英語でのみ提供されています。
概要
Amiodarone can cause bradycardia and AV block, and combined with timolol the risk of severe bradycardia, conduction disturbance or cardiac arrest increases. Amiodarone may also raise timolol levels through CYP2D6 inhibition, including with ophthalmic timolol.
この相互作用をわかりやすく説明すると
Amiodarone and Timolol 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; Timolol belongs to Cardiovascular.
なぜ起こるのか
Additive negative chronotropic and dromotropic effects, plus CYP2D6 inhibition by amiodarone reducing timolol clearance.
対処法
Monitor heart rate and ECG, and reduce the timolol dose or avoid the combination in patients with conduction disease or low baseline heart rate.
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Timolol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。
Timolol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 Timolol?
MediHelp rates the interaction as major. Amiodarone and Timolol 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 can cause bradycardia and AV block, and combined with timolol the risk of severe bradycardia, conduction disturbance or cardiac arrest increases. Amiodarone may also raise timolol levels through CYP2D6 inhibition, including with ophthalmic timolol.
How serious is the interaction between Amiodarone and Timolol?
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 heart rate and ECG, and reduce the timolol dose or avoid the combination in patients with conduction disease or low baseline heart rate.
What other medicines interact with Timolol?
MediHelp also lists interactions of Timolol with, for example, Acebutolol, Albuterol, Aldesleukin. The full list is on the Timolol 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。
