Gastroenteritis may affect both the stomach and the intestines,
resulting in one or more of the following symptoms: - Common
symptoms - Low grade fever (99°F) - Nausea with or without
vomiting - Mild-to-moderate diarrhea: May range from 2-4 loose
stools per day for adolescents and adults to stools that run out
of the diaper in infants. - Crampy painful bloating - Vomiting:
May or may not accompany diarrhea. If you do vomit, your
dehydration rate will increase. Either together or alone,
diarrhea and vomiting result not only in loss of significant
amounts of fluid, leading to dehydration and possibly shock, but
also loss of potassium, sodium, and bicarbonate. - More serious
symptoms - Blood in vomit or stool - Vomiting more than 48 hours
- Fever higher than 101°F - Swollen abdomen or abdominal pain
coming from the right lower side - Dehydration - Little to no
urination, extreme thirst, lack of tears, and dry mouth (dry
diapers in infants) When to Seek Medical Care If you or someone
appears weak and dizzy while