Cold, Flu & Infections
Up-to-date, trusted information on all aspects of colds, flu and infections, including causes, symptoms, prevention and treatment for sexually transmitted diseases (STDs), parasitic diseases, bioterror-related diseases and more.
Digestive Health
Common symptoms of stomach problems include indigestion, heartburn and diarrhea. These could be signs of minor stomach discomforts or of serious or chronic disorders, such as IBS, ulcers or GERD. Find information on tests, medications and treatments.