Is vomiting always a symptom of gastroenteritis?

No. Many times, vomiting occurs with gastroenteritis, but not always. Abdominal pain, cramping, fever and nausea may also occur with or without vomiting. Vomiting can also be a symptom of many other conditions. It 's important to let the stomach rest before trying to drink anything and even then take only small sips at a time of room temperature liquids.
No. Gastroenteritis usually has vomiting as an early symptom, with diarrhea beginning later after the vomiting. Some people with with gastroenteritis skip the vomiting part but do have the diarrhea. Vomiting does not always mean someone has gastroenteritis. There are many situations in which vomiting occurs, so parents can call the doctor if a child vomits more than once or twice, or looks too ill.
No. Although vomiting is common with gastroenteritis, it does not always happen. Common symptoms can also include diarrhea, nausea, fever, chills and abdominal pain.
No. Gastroenteritis can have just diarrhea with or without fever or stomach ache. Vomiting is fairly common, though, as part of gastroenteritis.