Stomach Bug Symptoms 2024 India. But you can catch it at any time of the year. Gastroenteritis or stomach flu or gastric flu is highly contagious and infectious inflammation of stomach, small and large intestines that causes diarrhea,.
Your baby or child may have cycles of vomiting and diarrhea for about 24 hours. With viral gastroenteritis, the treatment is all symptomatic and supportive.