IPA: //ˌkaʊntərˈɪrɪtənt//
KK: /ˈkaʊntərˌɪrɪtənt/
Relating to a substance that causes a mild irritation to relieve pain or discomfort in another area of the body.
The doctor recommended a counterirritant cream to help soothe the pain in my muscles.
A substance that causes mild irritation or inflammation on the skin to help relieve pain or inflammation in deeper tissues.
The doctor recommended a counterirritant to help ease the pain in my back.
Counterirritant → It is formed from "counter-" (meaning against) and "irritant" (from Latin "irritare", meaning to provoke or stimulate). The word describes a substance that provokes a response in the body to relieve pain or discomfort in another area.
Think of something that works 'against' ('counter-') a 'provoking' ('irritant') sensation to help relieve discomfort.