Answer:
(Fatwa: 1227/1021/B=1433)
Recite the following dua seven times turning towards Allah wholeheartedly and sincerely and with the belief that you shall get cured with this dua, and blow on your body:
أسأل اللہ العظیم رب العرش العظیم أن یشفینی
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
