COVID-19 can cause a wide range of symptoms, with fever, cough and tiredness said to be some of the most frequent. But others, such as gastrointestinal issues, have been increasingly reported as ...

Diarrhea is a very common condition that affects the digestive tract. It is characterized by loose or watery stools occurring at least three times per day. In the United States, diarrhea affects ...

Osmotic diarrhea is when undigested material reduces how much water and electrolytes the bowels can absorb. It can occur when a person’s body has difficulty digesting certain foods, such as lactose.