If you recite the following prayer 400 or 2000 times - all of your illnesses, problems and sorrows will vanish by Allah's grace (all glory and praise be to Him). "O Allah, send prayers, peace and blessings upon our Master Muhammad, the medicine of hearts and their treatment, the soundness of bodies and their cure, the light of vision and its illumination, the spirit of all spirits and the secret of their endurance." (Salat al-Tibbiya/Prayer of Medicine)
If you recite the under mentioned prayer 400 or 2000 times- all of your illnesses, sorrows and problems will vanish by Allah's grace (all glory and praise be to Him). "O Allah, send prayers, peace and blessings upon our Master Muhammad, the medicine of hearts and their treatment, the soundness of bodies and their cure, the light of vision and its illumination, the spirit of all spirits and the secret of their endurance." (Salat al-Tibbiya/Prayer of Medicine)