Sahih al-Bukhari 5726
صحيح البخاري#5726Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا أَبُو الأَحْوَصِ، حَدَّثَنَا سَعِيدُ بْنُ مَسْرُوقٍ، عَنْ عَبَايَةَ بْنِ رِفَاعَةَ، عَنْ جَدِّهِ، رَافِعِ بْنِ خَدِيجٍ قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ " الْحُمَّى مِنْ فَوْحِ جَهَنَّمَ، فَابْرُدُوهَا بِالْمَاءِ ".
Narrated Rafi` bin Khadij:I heard Allah's Messenger (ﷺ) saying, "Fever is from the heat of Hell, so abate fever with water
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 76:41