تداخل‌های دارویی
Amiodarone + Warfarin
شدت: شدید
Amiodarone and Warfarin: major interaction.
آخرین به‌روزرسانی منابع: US FDA label
ویژه کادر درمان — فقط جهت مرجع. این صفحه خلاصه‌ای کوتاه است، توصیه پزشکی نیست و جایگزین بروشور رسمی یا قضاوت بالینی نمی‌شود. پیش از تجویز یا تحویل دارو همیشه بررسی کنید.
محتوای بالینی این صفحه فقط به زبان انگلیسی موجود است.
خلاصه
Amiodarone potentiates warfarin and commonly raises the INR, with a substantial increase in bleeding risk if the warfarin dose is not reduced. The effect builds over several weeks and may persist for weeks to months after amiodarone is stopped. It is one of the most clinically important warfarin interactions.
معنای این تداخل به زبان ساده
Amiodarone and Warfarin 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; Warfarin belongs to Cardiovascular.
چرا رخ می‌دهد
Amiodarone and its metabolite inhibit CYP2C9, CYP3A4 and CYP1A2, reducing clearance of S- and R-warfarin.
اقدام لازم
Reduce the warfarin dose empirically when starting amiodarone (often by about a quarter to a third, depending on the patient) and check INR weekly or more often for the first several weeks. Continue close monitoring until INR is stable.
از داروساز چه بپرسید
- 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?
ویژه اعضای Pro+
باز کردن کل صفحه
یک حساب بسازید و دوره آزمایشی Pro+ را شروع کنید تا توصیه‌های کامل مدیریت Amiodarone و Warfarin، یادداشت‌های تکمیلی، جزئیات شواهد و بررسی‌کننده تداخل برای کل نسخه را باز کنید.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Pro+ را ۱۴ روز رایگان در وب امتحان کنید. بدون نیاز به کارت.
منابع
تداخلات دیگر Warfarin
- Defibrotide + Warfarin منع مصرف
- Ketorolac + Warfarin منع مصرف
- Abciximab + Warfarin شدید
- Acetylsalicylic acid + Warfarin شدید
- Adagrasib + Warfarin شدید
- Amobarbital + Warfarin شدید
تداخلات دیگر Amiodarone
- Amiodarone + Amisulpride منع مصرف
- Amiodarone + Arsenic trioxide منع مصرف
- Amiodarone + Dofetilide منع مصرف
- Amiodarone + Dronedarone منع مصرف
- Amiodarone + Droperidol منع مصرف
- Amiodarone + Eliglustat منع مصرف
پرسش‌های متداول
Can I take Amiodarone with Warfarin?
MediHelp rates the interaction as major. Amiodarone and Warfarin 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 potentiates warfarin and commonly raises the INR, with a substantial increase in bleeding risk if the warfarin dose is not reduced. The effect builds over several weeks and may persist for weeks to months after amiodarone is stopped. It is one of the most clinically important warfarin interactions.
How serious is the interaction between Amiodarone and Warfarin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce the warfarin dose empirically when starting amiodarone (often by about a quarter to a third, depending on the patient) and check INR weekly or more often for the first several weeks. Continue close monitoring until INR is stable.
What other medicines interact with Warfarin?
MediHelp also lists interactions of Warfarin with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Warfarin page.
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