Digestive Health

Stomach Flu Symptoms and Signs

Viral gastroenteritis, commonly known as stomach flu, is a widespread intestinal infection that affects people of all ages worldwide . It primarily causes symptoms such as nausea, vomiting, diarrhea, and abdominal cramps, often lasting from one to three days but occasionally extending up to a week . The infection spreads easily through contact with infected individuals or contaminated food and water, making it highly contagious . While most cases resolve on their own, dehydration remains the most serious complication, especially in vulnerable populations like young children and older adults .