Stomach Flu 2024. The medical term is viral gastroenteritis. Viral gastroenteritis, sometimes called stomach flu, occurs when a virus infects the lining of the stomach, small intestine, or large intestine.

Peppermint tea can help ease stomach flu symptoms, and even the scent of peppermint may reduce nausea. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or.