This serious eye condition can occur in people with macular degeneration. Find out about its symptoms and treatments.
Disease
Geographic tongue
Geographic tongue may look alarming, but it does not cause health issues. Sometimes it can cause tongue pain and make you more sensitive to certain foods.
Disease
Germ cell tumors
Learn about these tumors that form from reproductive cells. Explore treatment options, including surgery, chemotherapy and radiation therapy.
Disease
Gestational diabetes
This high blood sugar disorder develops during pregnancy and can affect your pregnancy and your baby's health. Read about risks, prevention and treatment.
Disease
Giant cell arteritis
Head pain and tenderness are the most common symptoms of giant cell arteritis, an inflammation of the lining of your arteries.
Disease
Giardia infection (giardiasis)
Stomach cramps, nausea and watery diarrhea could indicate a giardia infection. Find out how to treat and prevent this waterborne parasite.
Disease
Gilbert syndrome
This inherited liver condition affects the liver's ability to break down red blood cells. It usually has no serious medical consequences.
Disease
Gingivitis
Gingivitis is a common and mild form of gum disease that causes irritation, redness and swelling of your gums.
Disease
Glaucoma
Regular eye exams may catch glaucoma early and save your eyesight. Find out about symptoms and treatment for this vision-stealing eye condition.
Disease
Glioblastoma
This fast-growing cancer starts in the brain or spinal cord. Treatments include surgery, radiation and chemotherapy.
Disease
Glioma
Gliomas are the most common brain tumors in adults. Learn more about diagnosis and treatment, including innovative research to find new therapies.
Disease
Glomerulonephritis
Learn about symptoms, causes and treatments for acute and chronic glomerulonephritis, a type of kidney inflammation.