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Amitriptyline + Primidone

شدت: شدید

Amitriptyline and Primidone: major interaction.

آخرین به‌روزرسانی

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خلاصه

Primidone is metabolized to phenobarbital, which induces hepatic enzymes and may reduce amitriptyline levels. Additive sedation is also likely, and tricyclics may lower the seizure threshold.

معنای این تداخل به زبان ساده

Amitriptyline and Primidone 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.

Amitriptyline belongs to Central Nervous System; Primidone belongs to Central Nervous System.

سطح شواهد: Moderate

چرا رخ می‌دهد

Enzyme induction (CYP3A4 and CYP2C19) by primidone and its phenobarbital metabolite, plus additive CNS depression.

اقدام لازم

Monitor for loss of antidepressant effect, sedation, and seizure control, and adjust amitriptyline dose by response or levels. Reassess dosing if primidone 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 Amitriptyline و Primidone، 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 Amitriptyline with Primidone?

MediHelp rates the interaction as major. Amitriptyline and Primidone 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. Primidone is metabolized to phenobarbital, which induces hepatic enzymes and may reduce amitriptyline levels. Additive sedation is also likely, and tricyclics may lower the seizure threshold.

How serious is the interaction between Amitriptyline and Primidone?

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 for loss of antidepressant effect, sedation, and seizure control, and adjust amitriptyline dose by response or levels. Reassess dosing if primidone is stopped.

What other medicines interact with Amitriptyline?

MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline page.

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