التداخل بين أميتريبتيلين وحمض الفالبرويك

Dosage adjustment of amitriptyline/nortriptyline, propofol, warfarin, and zidovudine may be necessary if used concomitantly with valproic acid oral solution (7.2)

Drugs for which a potentially important valproate interaction has been observed Amitriptyline/Nortriptyline Administration of a single oral 50 mg dose of amitriptyline to 15 normal volunteers (10 males and 5 females) who received valproate (500 mg BID) resulted in a 21% decrease in plasma clearance of amitriptyline and a 34% decrease in the net clearance of nortriptyline.

Rare postmarketing reports of concurrent use of valproate and amitriptyline resulting in an increased amitriptyline level have been received.

Concurrent use of valproate and amitriptyline has rarely been associated with toxicity.

Monitoring of amitriptyline levels should be considered for patients taking valproate concomitantly with amitriptyline.

Guanethidine or similarly acting compounds; thyroid medication; alcohol, barbiturates and other CNS depressants; and disulfiram – see WARNINGS section.