What are the symptoms of gastroenteritis?

Gastroenteritis is an acute inflammation of the gastrointestinal mucosa, the clinical manifestations were nausea, vomiting, abdominal pain, diarrhea, and fever. The disease is common in summer and autumn, which occurs more due to poor diet, overeating; or ingestion of cold rancid rotten, dirty muddy unclean food. TCM constitution according to the cause and the difference will be divided into gastroenteritis heat, cold and toxins such as different types. So, what are the symptoms of acute gastroenteritis?
The clinical manifestations of acute gastroenteritis family life in general after overeating or eating contaminated food, clothes medicine to stimulate the stomach a few hours to 24 hours of onset. Mainly:
1, middle left upper abdominal pain or tenderness Cullen, paroxysmal or persistent dull pain worse, with abdominal fullness, discomfort. Few patients pain.
2, nausea, vomiting, vomit undigested food, vomit after feeling uncomfortable, and some patients until vomiting yellow bile or stomach acid.
3, diarrhea associated with enteritis diarrhea, stomach symptoms improved with the stop, for stools and watery.
4, dehydration due to repeated vomiting and diarrhea, dehydration caused by too much, poor skin elasticity, sunken eyes, thirst, oliguria and other symptoms, severe drop in blood pressure, cold extremities.
5, vomiting and blood in the stool a few patients with bloodshot eyes or vomit was brown, black stool or fecal occult blood test was positive. Description gastric mucosa bleeding.
6, often fever, headache, malaise and varying degrees of symptoms.

7, signs of obvious, abdominal and umbilical tenderness, no muscle tension and rebound tenderness, bowel sounds more hyperactive.
8, acute onset, nausea, frequent vomiting, severe abdominal pain, frequent diarrhea, watery, undigested food may contain a small amount of mucus, blood or the like.
9. In addition, headache, fever, chills and muscle pain are also common symptoms, a few severe cases, due to frequent vomiting and diarrhea, dehydration can occur.