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Genital Herpes
Genital herpes is a common sexually transmitted infection caused by herpes simplex virus type 1 (HSV-1) or type 2 (HSV-2). It can…
Genital Warts
Genital warts are growths caused by certain types of human papillomavirus (HPV). They can affect the genitals, anus, or nearby skin and…
Geriatrics
Comprehensive medical care for older adults, focused on managing multiple conditions, medications, and age-related changes together.
Gestational Diabetes
Gestational diabetes is high blood glucose that develops during pregnancy in someone who did not already have diabetes. It usually happens when…
Ggt Blood Test
A GGT blood test measures the amount of gamma-glutamyl transferase in a sample of blood. This enzyme is also called gamma-glutamyl transpeptidase…
Giardiasis
Giardiasis is an infection caused by the Giardia parasite, which usually affects the small intestine. Some people have no symptoms, while others…
Gigantism
Gigantism is a rare growth disorder that causes unusually rapid and excessive height gain during childhood. It develops when the body produces…
Gingivitis
Gingivitis is inflammation of the gums, often caused by plaque, a sticky film of bacteria that builds up around the teeth. It…
Glanders
Glanders is a serious bacterial infection caused by Burkholderia mallei. It mainly affects horses and related equids, including donkeys and mules. Rarely,…
Glaucoma
Glaucoma is a group of eye diseases that damage the optic nerve, which carries visual information from the eye to the brain.…
Glioblastoma
Glioblastoma is an aggressive primary brain cancer that can grow into nearby brain tissue. Glioblastoma multiforme is an older name for this…
Gliomas
Gliomas are tumors that begin in glial cells, which support nerve cells in the brain or spinal cord. Some gliomas grow slowly,…
Glomerulonephritis
Glomerulonephritis is inflammation of the glomeruli, the tiny blood-filtering units inside the kidneys. This inflammation can make it harder for the kidneys…
Gonococcal Infection
Gonococcal infection is an infection caused by the bacterium Neisseria gonorrhoeae, commonly called gonorrhea. It can affect the urethra, cervix, vagina, rectum,…
Gout
Gout is a common form of inflammatory arthritis caused by deposits of urate crystals in and around a joint. It often affects…
Graft Disease
Graft disease usually refers to graft-versus-host disease (GVHD), a complication that can occur after an allogeneic stem cell or bone marrow transplant.…
Graves Disease
Graves disease is an autoimmune condition that causes the thyroid gland to become overactive. The immune system mistakenly stimulates the thyroid, leading…
Growth Hormone Deficiency
Growth hormone deficiency occurs when the pituitary gland does not make enough growth hormone. Growth hormone helps regulate height in children and…
Gum Recession
Gum recession happens when the gum tissue moves away from the crown of a tooth, exposing more of the tooth or its…
Gynecology & Obstetrics
Comprehensive care for women's reproductive health, from routine gynecologic exams to pregnancy and childbirth.
Gynecomastia
Gynecomastia is a noncancerous enlargement of male breast gland tissue caused by an imbalance between estrogen and testosterone effects. It can affect…
Gynecomastia Surgery
Gynecomastia is the enlargement of male breast tissue, usually caused by extra glandular tissue, fat, or a combination of both. Persistent glandular…
Hairy Leukoplakia
Hairy leukoplakia is a usually painless white, ridged, or hairy-looking patch that develops most often along the side of the tongue. It…
Hallucinations
Hallucinations are sensory experiences that seem real but happen without an external stimulus. A person may hear, see, feel, smell, or taste…
