The stomach is the main digestive organ of the human body. Acute gastritis is a common disease, mainly manifested by upper abdominal pain and discomfort, decreased appetite, nausea and vomiting, and sometimes diarrhea. Severe acute gastritis can also cause symptoms such as hematemesis and melena. Acute gastritis includes four types, and acute simple gastritis is often encountered in daily life.
Acute gastroenteritis is mainly manifested by nausea, vomiting, abdominal pain, diarrhea; fever, and severe cases can lead to dehydration, electrolyte imbalance, shock, etc. Patients often present with nausea and vomiting first; followed by diarrhea, every day3—5even dozens of days, stools are mostly watery, deep yellow or greenish, smelly, and may be accompanied by abdominal colic, fever, and general malaise.