The following symptoms may indicate a condition more serious than gastroenteritis and requires immediate medical attention. Projectile vomiting in an infant- forceful vomiting. In this the vomit is thrown at a distance. Vomiting accompanied by fever. Repeated vomiting of green or yellow bile.
Vomit resembles coffee grounds.
Vomiting following head injury. Specially in tropical countries dehydration can come very quickly and also the amount of fluid. Get practical tips on how to recognize and handle there.