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Clarithromycin + Rifabutin

شدت: شدید

Clarithromycin and Rifabutin: major interaction.

آخرین به‌روزرسانی

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محتوای بالینی این صفحه فقط به زبان انگلیسی موجود است.

خلاصه

Clarithromycin is a strong CYP3A4 inhibitor, and rifabutin is cleared largely by CYP3A4; clarithromycin also blocks its metabolism. Raised rifabutin exposure can lead to rifabutin toxicity including uveitis, neutropenia and arthralgia, while rifabutin lowers clarithromycin levels.

معنای این تداخل به زبان ساده

Clarithromycin and Rifabutin 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.

Clarithromycin belongs to Anti Bacterial; Rifabutin belongs to Anti Bacterial.

سطح شواهد: High

چرا رخ می‌دهد

CYP3A4 inhibition by clarithromycin reduces first-pass and systemic clearance of rifabutin

اقدام لازم

Avoid if an alternative exists; otherwise reduce the rifabutin dose per labelling, monitor closely for toxicity and recheck after the inhibitor is stopped.

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 Clarithromycin و Rifabutin، 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.

پرسش‌های متداول

Can I take Clarithromycin with Rifabutin?

MediHelp rates the interaction as major. Clarithromycin and Rifabutin 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. Clarithromycin is a strong CYP3A4 inhibitor, and rifabutin is cleared largely by CYP3A4; clarithromycin also blocks its metabolism. Raised rifabutin exposure can lead to rifabutin toxicity including uveitis, neutropenia and arthralgia, while rifabutin lowers clarithromycin levels.

How serious is the interaction between Clarithromycin and Rifabutin?

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 if an alternative exists; otherwise reduce the rifabutin dose per labelling, monitor closely for toxicity and recheck after the inhibitor is stopped.

What other medicines interact with Clarithromycin?

MediHelp also lists interactions of Clarithromycin with, for example, Astemizole, Avanafil, Cisapride. The full list is on the Clarithromycin page.

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