antidiabetic drug vs medication

antidiabetic drug and medication both are nouns.

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

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

antidiabetic drug: a drug used to treat diabetes mellitus
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

antidiabetic drug (noun)	medication (noun)
a drug used to treat diabetes mellitus	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease