Pain around the navel area (belly button).
Pain around the crotch (scrotal area, joint around the groin)
Has not defecated for a few days.
Stomach feels full and bloated.
Vomited something that resembles coffee grounds.
Abdominal pain has continued for 2~3 days.
Blood is mixed “inside” the stool.
The pain got better after going to the bathroom (defecating).
The stomach flu is going around in my surroundings.
Does not like being touched on the abdomen.
Abdomen was hit hard.
Blood on the surface of the stool or on the toilet paper.