Medicine (Kitab Al-Tibb)
Dawud :: Book 28 : Hadith 3849
Narrated Salmah:
the maid-servant of the Apostle of Allah (peace_be_upon_him), said: No one complained to the Apostle of Allah (peace_be_upon_him) 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.