名詞 counterirritant:

1. a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation

coun.ter.ir.ri.tant

n.（名詞）
An agent that induces local inflammation to relieve inflammation in underlying or adjacent tissues.
對(duì)抗刺激劑：用導(dǎo)致局部發(fā)炎來減輕體內(nèi)較深部位或附近組織的發(fā)炎的藥劑
adj.（形容詞）
Of or producing the effect of such an agent.
對(duì)抗刺激劑的：對(duì)抗刺激劑的，有對(duì)抗刺激劑作用的

【引伸】
coun.terir.rita.tion