عَنْ عائشةَ قَالَ: قَالَ رَسُولُ اللهِ ﷺ: الْحُمَّى مِنْ فَيْحِ جَهَنَّمَ، فَأَبْرِدُوهَا بِالْمَاءِ
Aaisha reported the Messenger of Allah ﷺ said: “Fever is from the heat of Hell, so cool it with water.”
- Illness: Fever / elevated temperature
- Cure: Cooling with water, bathing, or pouring water over the body
- Reference: Sahih al‑Bukhari 3263