Volume 7 · Book 71 · Hadith 637
Narrated Al-Aswad: I asked 'Aisha about treating poisonous stings (a snake-bite or a scorpion sting) with a Ruqya. She said, "The Prophet allowed the treatment of poisonous sting with Ruqya."
— Sahih Bukhari, Volume 7, Book 71: Medicine, Hadith #637