(28) باب الْحُمَّى مِنْ فَيْحِ جَهَنَّمَ
Narrated Fatima bint Al-Mundhir:
Whenever a lady suffering from fever was brought to Asma' bint Abu Bakr, she used to invoke Allah for her and then sprinkle some water on her body, at the chest and say, "Allah's Messenger (ﷺ) used to order us to abate fever with water."
Reference: Sahih al-Bukhari 5724
In-book reference: Book 76, Hadith 39
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 71, Hadith 620