Itchy Stomach Flu. You’ve probably never heard about this flu symptom aches, chills, fatigue. The most common cause of gastroenteritis in the united states is norovirus.

For the sake of those lovely people who have been blessed with never having the 24 stomach flu, let me break it down for you, stage by stage: If the skin on your stomach is itchy, the cause could be a variety of things. It can also be caused by hepatitis a, b, and c.