The doctor prescribed medicine that contains narcotics; is it permissible for him to take it?

No File Exists
Check below answers in case you are looking for other related questions:
Ruling on medical treatment
Ruling on studying medicine and working in hospitals where there is mixing

No File Exists
Related Answers:
Ruling on treating disease with music
There is nothing wrong with using anaesthetic in order to perform surgery
Ruling on using cosmetics for men
Ruling on medical treatment
Ruling on studying medicine and working in hospitals where there is mixing

Recommended answers for you:
Dhikr after salaah and before sleeping
Repeatedly Committing a Sin and Repenting from it
Is the du’aa’ of Witr obligatory, and what should a person say if he cannot memorize it?
Proposal procedure according to sharee’ah
Is it recommended to fast ten days of Dhu’l-Hijjah including the day of Eid?