Abu 'Abdullah bin Abul-'as (May Allah be pleased with him) reported:
I complained to the Messenger of Allah ﷺ about a pain I had in my body. The Messenger of Allah ﷺ said, "Place your hand where you feel pain and say: 'Bismillah (With the Name of Allah)' three times; and then repeat seven times: 'A'udhu bi'izzatillahi wa qudratihi min sharri ma ajidu wa 'uhadhiru (I seek refuge with Allah and with His Power from the evil that afflicts me and that which I apprehend)."'

[Muslim].

وعن أبي عبد الله عثمان بن أبي العاص رضي الله عنه أنه شكي إلي رسول الله ﷺ وجعاً يجده في جسده فقال رسول الله ﷺ "ضع يدك علي الذي تألم من جسدك وقل: بسم الله -ثلاثاً- وقل سبع مرات: أعوذ بعزة الله وقدرته من شر ما أجد وأحاذر” ((رواه مسلم)).