In most cases, gastroenteritis manifests itself as acute diarrhea.

This diarrhea may be accompanied by nausea and / or vomiting, abdominal cramps, An moderate fever (38 ° C), loss of appetite, fatigue and, sometimes, blood in stool.

Symptoms come on suddenly and usually last for 1 to 3 days in a healthy adult. They can, however, persist up to 7 days.