Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

Bukhari :: Book 5 :: Volume 59 :: Hadith 723

Narrated Aisha:

Whenever Allah's Apostle became ill, he used to recite the Muawidhatan and blow his breath over himself (after their recitation ) and rubbed his hands over his body. So when he was afflicted with his fatal illness. I started reciting the Muawidhatan and blowing my breath over him as he used to blow and made the hand of the Prophet pass over his body.