The Collaborative International Dictionary
Counterirritation
Counterirritant \Coun"ter*ir`ri*tant\ (-?r"r?-tant), n., Counterirritation \Coun"ter*ir`ri*ta"tion\, n. See Counter irritant, etc., under Counter, a.
Wiktionary
counterirritation
n. (context medicine English) The treatment of one diseased area by acting elsewhere.