鎮痛(ちんつう)

ちんつう
noun
pain relief; analgesia
formalmedical
1. pain relief; analgesia
The suppression or relief of pain. Most commonly appears as a modifier in compound words like 鎮痛剤 (painkiller) rather than standing alone.
My toothache is so bad that I can't do without pain medication.
This medicine has both pain-relieving and fever-reducing effects.

Compound of 鎮(ちん) (to suppress) + 痛(つう) (pain). Most often used as a modifier in compounds rather than on its own.

Compounds

Usage

In everyday speech, people more commonly say 痛(いた)み止(ど)め for "painkiller." 鎮痛剤(ちんつうざい) is the more formal or medical term.