counter-irritant

n (medical 医) substance put on the skin to make it sore, and thus to relieve greater pain deeper in the body, eg rheumatism 抗刺激剂.

counselor, count, count for, count in, count noun (also `countable noun), count on, count out, count up, countable, countdown, countenance, counter, counter-, counter-attack, counter-attraction, counter-clockwise, counter-espionage, counter-insurgency, counter-intelligence, counter-intuitive, counter-offer, counter-productive, counter-productively, counter-revolution, counter-revolutionary, counter-tenor, counteract, counteraction, counterargument, counterbalance, counterbalancing, counterblast, counterclaim, counterfeit, counterfoil, countermand, countermeasure, counterpane, counterpart, counterparts,