Sahih Muslim Book 26, Hadith Number 5451.

Chapter : The excellence of curing (with the help of incantation) the influence of the evil eye and small pustules and the poison (especially of snake and scorpion).

Jabir b. ‘Abdullah reported that Allah’s Apostle (may peace be upon him) granted sanction to the family of Hazm for incantation (in mitigating the effect of the poison of) the snake, and, he said to Asma’ daughter of ‘Umais: What is this that I see the children of my brother lean? Are they not fed properly? She said: No, but they fall under the influence of an evil eve. He said: Use incantation She recited (the words of incantation before him), whereupon he (by approving them) said: Yes, use this incantation for them.