I am 31 years old male, I am getting severe stomach ache. It is happening in the interval of 10-15 days since two month. The severe pain continues for 2-3 hrs continuously in the middle of the abdomen (the location of the pain area is the region just near navel area) I had taken DROTIN DS which came of no use Yesterday also I have experienced the pain after that I needed blanket to come out of the suuden coldness I felt and fever for 15-20 min then sweating and after that got little relax.