It wasnarrated from Abu Hurairah that the Messenger of Allah (ﷺ)said:
"Fever is one of the bellows of Hell, so avert it fromyourselveswith cold water." (FR)
English reference (FR): Vol. 4, Book 31, Hadith 3475 (FR)
Arabic reference (FR): Book 31, Hadith 3604 (FR)