Silsilat al-Ahadith al-Sahihah

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) went to visit a sick person who had a fever, and I was with him. The Prophet (peace and blessings of Allah be upon him) said to him: "Rejoice, for Allah the Exalted says: (This fever) is My fire which I impose upon My believing servant in this world so that it may be a substitute for the punishment of the fire in the Hereafter."