Stomach Flu 2024 Treatment. The stomach flu or viral gastroenteritis may last a few days or week. Commonly called the “stomach bug” or “stomach flu,” norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis, which is inflammation of the.

Ginger can act as a prokinetic, which helps stimulate movement in the gi tract. So there’s no treatment for stages one and two of the stomach flu.