Kathir bin 'Ubaid al-Taymi كثير بن عبيد التيمي · Medicine (Kitab Al-Tibb)

the maid-servant of the Messenger of Allah (ﷺ), said: No one complained to the Messenger of Allah (ﷺ) of a headache but he told him to get himself cupped, or of a pain in his legs but he told him to dye them with henna.