Musnad Ahmad 790:195

Uthman ibn Umar narrated to us, Malik informed us, and Abu Nu'aym narrated to us, Malik—meaning Ibn Mighwal—narrated to us, from Husayn, from al-Sha'bi, from Imran ibn Husayn, that the Messenger of Allah (peace and blessings of Allah be upon him) said: "There is no ruqyah (incantation) except for the evil eye or a sting."