i am 21 years old and experience severe abdominal pain it started suddenly that in the middle of the night i ask my mother to bring me to the hospital cause i cannot tolerate the pain any longer..it was sharp abdominal pain accompanied by vomitting and diarrhea..i was later discharged after 24 hours because the symptoms already disappear...a day after my dicharge i experience constant belching/burping after eating and pain on the abdominal area...which is usualy relieved by vomiting....and i have also observed the sudden changed of the color of my urine dark ...its like of a tea....what could be happening to me ???