Narrated Anas bin Malik
Allah's Messenger (ﷺ) 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 cauterized) for pleurisy, when Allah's Messenger (ﷺ) was still alive. Abu Talha, Anas bin An-Nadr and Zaid bin Thabit witnessed that, and it was Abu Talha who branded (cauterized) me.