حَدَّثَنِي مُحَمَّدُ بْنُ الْمُثَنَّی حَدَّثَنَا يَحْيَی حَدَّثَنَا هِشَامٌ أَخْبَرَنِي أَبِي عَنْ عَائِشَةَ عَنْ النَّبِيِّ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ الْحُمَّی مِنْ فَيْحِ جَهَنَّمَ فَابْرُدُوهَا بِالْمَائِ
صحیح بخاری · Hadith 5726
Narrated Rafi` bin Khadij: I heard Allah's Apostle saying, "Fever is from the heat of Hell, so abate fever with water."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020