Sahih Muslim Book 26, Hadith Number 5449.

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).

Anas reported that Allah’s Messenger (may peace be upon him) granted him sanction to use incantation (as a cure) for the, influence of an evil eye, the sting of the scorpion and small pustules.