My 17 yr old son has had the following since Monday night after football practice: c/o stomach cramping middle of upper stomach with vomiting about 5-6 times that night. Felt better Tuesday, went to practice came home with same c/o and feeling tired and achy, vomited 1-2x that night. during the day he doesn t have any vomiting and feels better. Symptoms occur when at practice. has had no vomiting since Wed night, no fever, Bowel movement normal, urination appears normal. came home again tonight with c/p of tiredness, nasuea and vomitted at practice. Have a Dr. apt scheduled Monday.