SIDE EFFECTS: Dry lips and mouth, minor swelling of the eyelids or lips, crusty skin, nosebleeds, upset stomach, or thinning of hair may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Duration of stomach flu depends on the severity of the attack. The condition may become worse in case of infants, young children and elderly who cannot drink sufficient fluids to compensate for dehydration experienced during the illness. For these people, stomach flu can last for 3 weeks or more.
There was also an experiment done to test how long norovirus remained infections in ground water. It remained infectious for 2 months and then they stopped checking4. Answer: The stomach flu viruses can live on surfaces for about 2 weeks.My in-laws had a bad case of the stomach flu on December 18-19, 2009.They were well by December 20.t remained infectious for 2 months and then they stopped checking4. Answer: The stomach flu viruses can live on surfaces for about 2 weeks. My in-laws had a bad case of the stomach flu on December 18-19, 2009. They were well by December 20.