i am having sharp pain in my lower abdomen(belly area) that comes and goes and gets worse each time it comes back! i have had this pain since last sunday and it is April 18th! its not going away and it hurts alot. im cold but then as soon as i get a blanket or something im burning hot! i am gaining alot of weight and my appetite is gone, and then it will come back! i also feel as if i want or need to throw up back can not!