Narrated Ibn 'Umar:
The Prophet said, "Fever is from the heat of the (Hell) Fire; so abate fever with water."
Vol: 004 Book: 054 Hadith: 486
A Selected Dua
Glory is to Allah, and praise is to Allah, and Allah is the Most Great (each said thirty-three times). None has the right to be worshipped but Allah alone, He has no partner, His is the dominion and His is the praise...
-> Read More Info: Muslim 1/418, Whoever says this after every prayer will be forgiven his sins even though they be as the foam of the sea.