Diseases and Conditions

Galactorrhea occurs when one or both breasts make milk or a milky discharge. Learn about common symptoms and causes.

Gallstones are hard deposits that can form inside the gallbladder, causing pain in the upper abdomen.

Gastroparesis is a disorder that happens when your stomach muscles don’t work properly. Learn about the symptoms, diagnosis, treatment and…

Generalized anxiety disorder (GAD) is ongoing anxiety that can disrupt your day-to-day life. With treatment, people with GAD can get…

Genital warts are small, flat, flesh-colored bumps or tiny, cauliflower-like bumps caused by the human papillomavirus (HPV).

Gestational diabetes is a type of diabetes that starts during pregnancy usually during the second trimester. It affects 1% to…

Giant cell arteritis (GCA) is inflammation of the arteries. Polymyalgia rheumatica (PMR) causes muscle inflammation. They often occur together.

Giardiasis is an infection of the small intestine caused by a parasite. It is one of the top causes of…

Glaucoma is an eye disease that happens when fluid builds up in the eye, increasing pressure. Without treatment, it can…

Gout is a common type of arthritis that causes swelling and pain in your big toe and other joints. Learn…

Group B strep is a common kind of bacteria that can sicken newborns who are exposed to it during…

What are growing pains? Growing pains involve your child’s musculoskeletal system, meaning his or her muscles and bones. These pains usually make your child’s legs hurt. They are common in children between 3 and 12 years old and are typically not serious

Learn about gynecomastia (breasts in males), including causes and forms of treatment.