Vomited blood or bile (green liquid).
Blood in the stool.
Severe stomach pain that cannot be tolerated.
The vomit resembles coffee grounds.
Vomiting repeatedly.
Expressionless and appears half asleep all day.
Severe headache.
Lips are dry.
Appears well. Not in a bad mood.
Is urinating. Diaper is wet in the usual manner.
Is less than 3 months old.