lowering a fever; alleviation of fever
薬を飲んで解熱するのを待った。
I took medicine and waited for the fever to subside.
解熱の効果がすぐに現れた。
The fever-reducing effect appeared quickly.
氷枕で解熱を試みたが熱は下がらなかった。
I tried to reduce the fever with an ice pillow, but it didn't go down.