Imuran vs medication

Imuran and medication both are nouns.

Word	Noun	Adjective	Verb	Adverb
Imuran	Yes	No	No	No
medication	Yes	No	No	No

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

Imuran: an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

Imuran (noun)	medication (noun)
an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease