Conditions & Treatments

What is genital herpes? Genital herpes is a sexually transmitted disease. It is caused by the herpes simplex virus (HSV). Herpes infections can cause blisters and ulcers on the mouth or face (oral herpes). They can also cause sores in the genital area (genital herpes) ...

Germ cells form the eggs (ova) in females and the sperm in males. Germ cell tumors are made up of these underdeveloped cells. Germ cell tumors are rare. ...

Gestational hypertension is high blood pressure in pregnancy. It occurs in about 3 in 50 pregnancies. ...

During the past 15 years, Giardia lamblia has become recognized as one of the most common waterborne diseases in humans in the United States. Giardia is a tiny parasite that lives in the intestines of people and animals. ...

Glaucoma is a health problem where the normal fluid pressure inside the eyes slowly builds up and doesn’t drain properly. Instead, the fluid collects and causes damage to the optic nerve. The optic nerve is a bundle of nerve fibers that connects the retina with ...

The most common type of brain tumor is a glioma. Gliomas begin from glial cells, which make up the supportive tissue of the brain. There are different types of glioma: ...

The kidneys contain many coils of tiny blood vessels. Each of these is called a glomerulus. Glomeruli filter substances from the blood into the urine. Glomerulonephritis is a type of kidney disease where these coils become inflamed. This makes it hard for the kidneys to ...

Medial epicondylitis, also known as golfer's elbow, is characterized by pain from the elbow to the wrist on the palm side of the forearm. The pain is caused by damage to the tendons that bend the wrist toward the palm. ...

Puberty that happens early is called precocious puberty. This means a child's physical signs of sexual maturity develop too soon. This includes breast growth, pubic hair, and voice changes. ...

Group B streptococcus (strep) is a type of bacteria. It can be found in the digestive tract, urinary tract, and genital area of adults. GBS infection usually does not cause problems in healthy women before pregnancy. But it can cause serious illness for a newborn ...