Sunan Ibn Majah
3491
Sahih+3

It was narrated that Ibn ‘Abbas said:“Healing is in three things: A drink of honey, the glass of the cupper, and cauterizing with fire, but I forbid my nation to use cauterization.” And he attributed it to the Prophet (ﷺ)

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi