Researchers tested the pill used for depression and obsessive-compulsive disorder because it was known to reduce inflammation and looked promising in smaller studies.
The college says the move was made under legislation that allows it to issue such orders where there is evidence to support that patients would otherwise be exposed to risk of harm or injury.
Quebec's opposing party is accusing premier François Legault of "interference" after he said Tuesday that he had in hand a blacklist of family doctors who don't work enough for his liking.
The Medicines Patent Pool said in a statement that it had signed a voluntary licensing agreement for molnupiravir with Merck and its partner Ridgeback Biotherapeutics.