<s>[INST] Hello, I am twenty years old, physically active and have a high water intake. Today, I had a strange feeling in my lower right side of my abdomen. It started there and turned into a numb sensation and spread up my stomach slightly and down my right leg. There is no pain involved except for one small are, about the size of my fingertip, when I apply pressure to it. What could this be? [/INST] In my openion  for one day history you shouldn't panic.if I were your treating doctor  I advise for ultrasound of abdomen and xray    kidney ureter and bladder region </s>