Diarrhea is a common problem that starts suddenly with symptoms of nausea, headache, vomiting, and fever. The most common #causes_of_diarrhea that is especially an infection from a virus, bacteria or a parasite. There are so many causes of diarrhea but some are very common like Stomach flu, Food allergy, Irritable bowel syndrome, medication and celiac disease. https://www.healingjourneyservices.com/gut-testing/
