It is narrated from Sayyiduna Ka'b bin Malik (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) visited Sayyiduna al-Bara' bin Ma'rur (may Allah be pleased with him) when he was suffering from an inflammation of the throat, and he (peace and blessings be upon him) ordered that it be lanced with fire (cauterised) so that he would recover.
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16218