When is it an emergency?

Stomach pain/vomiting

The problem: Stomach pain/vomiting When to get help: See your physician if you're vomiting but have no bowel movements for more than 24 hours -- you could have an intestinal blockage. Also get checked out if you can't keep down fluids for more than 24 hours -- a risk for dehydration -- or if you vomit more than a teaspoon of blood, which could signal anything from a perforated ulcer to cancer.