[Machine] The Prophet ﷺ used to recite the two last surahs (Al-Falaq and An-Nas) upon himself when he fell ill. He would also blow air while reciting them. Aisha said, "When his illness became severe, I would blow on him with those surahs and then wipe him with his blessed right hand."
أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا مَرِضَ قَرَأَ عَلَى نَفْسِهِ بِالْمُعَوِّذَتَيْنِ وَيَنْفُثُ قَالَتْ عَائِشَةُ فَلَمَّا ثَقُلَ جَعَلْتُ أَنْفُثُ عَلَيْهِ بِهِمَا وَأَمْسَحُ بِيَمِينِهِ الْتِمَاسَ بَرَكَتِهَا