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تداخل‌های دارویی

Phenytoin + Roflumilast

شدت: شدید

Phenytoin and Roflumilast: 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

Phenytoin is a strong inducer of CYP enzymes and can substantially lower roflumilast and active metabolite exposure. Roflumilast labeling advises against use with strong inducers because efficacy may be lost.

معنای این تداخل به زبان ساده

Phenytoin and Roflumilast 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.

Phenytoin belongs to Central Nervous System; Roflumilast belongs to Respiratory.

سطح شواهد: Moderate

چرا رخ می‌دهد

Induction of CYP3A4 and CYP1A2 by phenytoin increases roflumilast metabolism.

اقدام لازم

Avoid the combination and consider an alternative COPD therapy. If both are continued, monitor exacerbation frequency closely.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

ویژه اعضای Pro+

باز کردن کل صفحه

یک حساب بسازید و دوره آزمایشی Pro+ را شروع کنید تا توصیه‌های کامل مدیریت Phenytoin و Roflumilast، 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

پرسش‌های متداول

Can I take Phenytoin with Roflumilast?

MediHelp rates the interaction as major. Phenytoin and Roflumilast 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. Phenytoin is a strong inducer of CYP enzymes and can substantially lower roflumilast and active metabolite exposure. Roflumilast labeling advises against use with strong inducers because efficacy may be lost.

How serious is the interaction between Phenytoin and Roflumilast?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination and consider an alternative COPD therapy. If both are continued, monitor exacerbation frequency closely.

What other medicines interact with Roflumilast?

MediHelp also lists interactions of Roflumilast with, for example, Apalutamide, Carbamazepine, Efavirenz. The full list is on the Roflumilast page.

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