وَعَنْهُ قَالَ: بَعَثَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِلَى أُبيِّ بن كَعْب طَبِيبا فَقَطَعَ مِنْهُ عِرْقًا ثُمَّ كَوَاهُ عَلَيْهِ
He told that God’s messenger sent to Ubayy ibn Kab a physician who cut a vein of his and cauterized it.
Mishkat al-Masabih 4326, Book 24, Medicine and Spells, Hadith 6. 1 min read