‘Abdallah b. ‘Amr reported God’s messenger as saying, "When a man comes to visit an invalid he should say, ‘O God, cure Thy servant who may then wreak havoc on an enemy for Thy sake, or walk at a funeral for Thy sake’.”
Abud Darda’ said he heard God’s messenger say, "If one of you has any complaint, or if a brother of his complains of it, he should say, ‘Our Lord God who art in heaven, hallowed be Thy name. Thy command is in the heaven and the earth. As Thy mercy is in the heaven so place Thy mercy in the earth. Forgive us our faults and sins. Thou art the Lord of the good ones. Send down some of Thy mercy and some of Thy healing on this pain’ and it will be cured.”
‘Ali b. Zaid quoted Umayya as saying that she asked ‘A’isha about the words of God who is great and glorious, "Whether you publish what is in your minds or conceal it, God will call you to account for it,” ( Qur’an, ii, 284) and His words, "If anyone does evil he will be requited for it.”(Qur’an, iv, 123). She replied that no one had asked her about them since she had asked God’s messenger and received the reply, "This is God’s rebuke of His servant, by means of fever or misfortune with which He afflicts him, even such a matter as something he puts in his sleeve and grieves for when he loses it. The result is that the servant comes out of his sins as the pure gold comes out of the crucible."
He said that the Prophet used to teach them to say when afflicted by fever or any pain, "In the name of God, the Great, I seek refuge in God, the Mighty, from the evil of every vein that bleeds and from the evil of the heat of hell.”
Tirmidhi transmitted it, but said this was a gharib tradition which he knew only among the traditions of Ibrahim b. Isma'il who is declared to be weak in tradition.
