وَعَنْ أَنَسٍ
أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَوَى أَسْعَدَ بْنَ زُرَارَةَ مِنَ الشَّوْكَةِ
Anas told that the Prophet (sallallahu alayhi wa sallam) cauterized Asad ibn Zurara because of a redness from which he suffered.
Mishkat al-Masabih 4341, Book 24, Medicine and Spells, Hadith 21. 1 min read