counterirritant vs medication

counterirritant and medication both are nouns.

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

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

counterirritant: a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation
medication: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

counterirritant (noun)	medication (noun)
a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation	the act of treating with medicines or remedies
	(medicine) something that treats or prevents or alleviates the symptoms of disease