From common colds to fever, diarrhea, or sore throat, little ones get sick often. There is a reason for this: kids’ immune systems don’t fully mature until they reach ages seven or eight, so they’re ...

Diarrhea usually resolves in a couple of days, but it can sometimes continue for weeks. Persistent diarrhea can be a sign of an allergy or a chronic condition. It may also occur after an infection.

It’s a noro-easter. The norovirus, a hypercontagious stomach bug, is sweeping across the Northeast, causing schools to shutter and citizens to suffer from violent diarrhea and other alarming symptoms.

Treatment for diarrhea depends on the cause. Options that may help stop it faster include over-the-counter (OTC) medications, eating soluble fiber, and drinking plenty of fluids. Most diarrhea ...

Why do people get upset stomachs after going to the pool? “It’s not pool water that gets people sick, it’s the people hanging out at the pool,” Dr. Sharon Nachman, a professor of pediatric infectious ...