drug cocktail vs medication

drug cocktail and medication both are nouns.

Word	Noun	Adjective	Verb	Adverb
drug cocktail	Yes	No	No	No
medication	Yes	No	No	No

As nouns, medication is a hypernym of drug cocktail; that is, medication is a word with a broader meaning than drug cocktail:

drug cocktail: a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of drug cocktail include medicament, medicinal drug, medicine.

drug cocktail (noun)	medication (noun)
a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease