Get expert advice on caring for your tushy, learn what anal irritation might mean, and find out when it’s time to call your doctor.

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

Australian researchers have uncovered how a particular strain of a diarrhea-causing parasite managed to infect more animal ...

Australian researchers have uncovered how a particular strain of a diarrhea-causing parasite managed to infect more animal ...

Medically reviewed by Chika Anekwe, MD Knowing what to eat when you feel sick can be difficult, especially if you are tired, ...

Alcohol can irritate the digestive tract, alter gut bacteria and interfere with how the intestines absorb water, doctors said ...

(CNN) — A multistate outbreak of salmonella infections likely linked to raw oysters has sickened more than 60 people across ...

The antibiotics typically used to treat traveler’s diarrhea are becoming less effective, researchers recently reported in ...

Clostridioides difficile is an uncommon but quite serious cause of diarrhea, and it is often associated with antibiotics.

When the New Year's ball is about to drop, your dog may already be hiding under your furniture. Fireworks can be traumatic ...

Norovirus is the country's leading cause of vomiting, diarrhea, and foodborne illness, and right on schedule, it's picking up ...