From Longman Dictionary of Contemporary Englishfor medicinal purposesfor medicinal purposesa) used in a humorous way to say that you drink alcohol because it is good for your health I keep a bottle of brandy handy – purely for medicinal purposes. b) for use as a medicine herbs used in medieval times for medicinal purposes → medicinal
Examples from the Corpus
for medicinal purposes• Marijuana was legalized for medicinal purposes.• I would naturally consider sympathetically any invitation to take part in clinical trials requiring ingestion of whisky for medicinal purposes.• Last November, voters in California and Arizona passed initiatives which allow the use of pot for medicinal purposes.• That's what you need - whisky, for medicinal purposes.• The Physic Garden is planted with examples of herbs used in Medieval times for medicinal purposes.• These would have been used for both flavouring and for medicinal purposes. 