Diarrhea means having a loose, watery stool when you have a bowel movement (poop).From causes to prevention, get the basics on diarrhea from the experts at WebMD.

Diarrhea and chills can have many causes, including food poisoning and viral illnesses ranging from COVID-19 to the stomach ...

Medically reviewed by Jane Kim, MDMedically reviewed by Jane Kim, MD Diarrhea and fever can leave you feeling pretty awful and wondering what causes diarrhea. Food poisoning symptoms and norovirus ...

Postprandial diarrhea is diarrhea that occurs after eating. It can happen unexpectedly and cause discomfort or pain until a bowel movement occurs. Possible causes include an infection, antibiotic ...

Diarrhea is a condition characterized by frequent bowel movements with watery stool. Here's what to know about symptoms, causes, and treatment.

When diarrhea occurs during the night, this is called nocturnal diarrhea. Foods, allergies, periods of excessive stress, and several bowel conditions can cause it. Other symptoms may include pain ...

Bloody diarrhea can have several causes, including anal fissures, hemorrhoids, or infections. Inflammatory diseases, ulcers, and, rarely, colorectal cancer can also cause blood in diarrhea.

Occasional baby diarrhea is very common. Here's what may be causing it, how to treat it, and when to talk to your baby's doctor.

We expect the cramps, bloating, mood swings, breast tenderness and breakouts associated with our monthly period. But for many women, especially during perimenopause, period diarrhea is also a ...