Sahih al-Bukhari 5721
صحيح البخاري#5721SahihNarrated 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 76:36