This page explains what happens if Diazepam and Levothyroxine are taken together, according to official sources.
Compatible with standard therapeutic follow-up
Levothyroxine and diazepam do not exhibit significant adverse pharmacokinetic interference; safe for concurrent use.
Take levothyroxine in the morning before food and diazepam at bedtime or as directed by physician.
Last updated: Sep 25, 2026
Before changing or stopping any medicine, ask your doctor or pharmacist. Never stop your medicine on your own.