Sahih Bukhari | Volume 7 | Hadith Number 617

Narrated by Anas bin Malik
Allah's Apostle allowed one of the Ansar families to treat persons who have taken poison and also who are suffering from ear ailment with Ruqya. Anas added: I got myself branded cauterised) for pleurisy, when Allah's Apostle was still alive. Abu Talha, Anas bin An-Nadr and Zaid bin Thabit witnessed that, and it was Abu Talha who branded (cauterised) me.