we thought he started with d&v on thursday night as was v loads, since then not eaten just been drinking, yesterday started the d but both d&v is yellow water. anyway about an hour ago he sstarted sreaming in pain i asked where and its in his right side, wasabout to call for help when he pucked again, the pooed and now hes sleeping. this is the 6th in months. some things telling me its not d&v but may be appendicitis:. can the pain go and come back? it tummy is hard and swollen