AGE dehydration' usually refers to Acute Gastroenteritis (AGE), where the rapid onset of stomach/intestinal inflammation leads to vomiting and diarrhea, causing significant fluid loss and dehydration, a major concern especially in children and the elderly. AGE itself isn't a 'full form, ' but rather the condition (inflammation of the stomach/intestines) that results in dehydration, with common symptoms like diarrhea, vomiting, and cramps. What AGE is: Acute Gastroenteritis (AGE): An inflammation of the stomach and intestines, often caused by viruses (like norovirus, rotavirus), bacteria, or parasites. Symptoms: Usually includes diarrhea, vomiting, abdominal pain, and sometimes fever, which rapidly depletes the body's fluids.