COUNTERIRRITANT
counterirritant
(noun) a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation
Source: WordNet® 3.1
Etymology
Noun
counterirritant (plural counterirritants)
(pharmacology) Any substance used to cause inflammation in one part of the body with the goal of lessening inflammation elsewhere.
Source: Wiktionary
Coun"ter*ir`ri*tant (-r"r-tant), n., Coun"ter*ir`ri*ta"tion, n.
Definition: See Counter irritant, etc., under Counter, a.
Source: Webster’s Unabridged Dictionary 1913 Edition