The Jibril ruqyah
بِاسْمِ اللَّهِ أَرْقِيكَ مِنْ كُلِّ شَىْءٍ يُؤْذِيكَ مِنْ شَرِّ كُلِّ نَفْسٍ أَوْ عَيْنِ حَاسِدٍ اللَّهُ يَشْفِيكَ بِاسْمِ اللَّهِ أَرْقِيكَ
Transliteration
Bismillaahi arqeeka, min kulli shay'in yu'theeka, min sharri kulli nafsin aw 'ayni haasidin, Allaahu yashfeeka, bismillaahi arqeeka.
Translation
In the name of Allah I exorcise you from everything and safeguard you from every evil that may harm you and from the eye of a jealous one. Allah would cure you and I invoke the name of Allah for you
How
Jibril recited this over the Prophet when he was ill. Said over a person who is unwell.
Source: Sahih Muslim 2186. Full details