Sahih Bukhari
Medicine
Volume: 007 / Book Number: 071 / Hadith Number: 587
Narrated Jabir bin Abdullah:
I heard the Prophet saying, "If there is any healing in your medicines, then it is in cupping, a gulp of honey or branding with fire (cauterization) that suits the ailment, but I don't like to be (cauterized) branded with fire."