ENOfficial
Anas told that the Prophet (ﷺ) cauterized As'ad b. Zurara because of a redness from which he suffered. Tirmidhi transmitted it, saying this is a gharib tradition.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَنَسٍ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَوَى أَسْعَدَ بْنَ زُرَارَةَ مِنَ الشَّوْكَةِ. رَوَاهُ التِّرْمِذِيّ وَقَالَ: هَذَا حَدِيث غَرِيب
sunnah.com