Conditions & Treatments


G6PD deficiency is the lack of glucose-6-phosphate dehydrogenase (an enzyme present in red blood cells) in the blood, which can cause a type of anemia known as hemolytic anemia.


Gallbladder cancer is a rare type of cancer that starts in the inside lining cells of the gallbladder.


Gallstones form when bile stored in the gallbladder hardens into stone-like material.


Gas in the digestive tract is created from swallowing air or by the breakdown of certain foods by the bacteria that are present in the colon.


Gastritis is an inflammation of the stomach lining.


Gastroesophageal reflux disease (GERD) is a digestive disorder that is caused by gastric acid flowing from the stomach into the esophagus.


Gastroparesis is a stomach disorder in which the stomach takes too long in emptying its contents.


Gaucher disease is an inherited lysosomal storage disorder.


Generalized anxiety disorder (GAD) causes its sufferers chronic and exaggerated worry and tension that seem to have no substantial cause.


Generalized exfoliative dermatitis is a severe inflammation of the entire skin surface due to a reaction to certain drugs, or as a result of complications from another skin condition.


Gestational diabetes is a condition in which the glucose level is elevated and other diabetic symptoms appear during pregnancy in a woman who has not previously been diagnosed with diabetes.


A giant cell tumor is one that is made up of a large number of benign (non-cancerous) cells that form an aggressive tumor - usually near the end of the bone near a joint.


Giardiasis is an infectious diarrheal disease caused by the parasite Giardia lamblia, which can be transmitted through oral-fecal contact and by water contaminated by feces.


Glomerulonephritis is a type of glomerular kidney disease in which the kidneys' filters become inflamed and scarred, and slowly lose their ability to remove wastes and excess fluid from the blood to make urine.


Glomerulosclerosis is the term used to describe scarring that occurs within the kidneys in the small balls of tiny blood vessels called the glomeruli.


Goodpasture syndrome is a rare, autoimmune disease that can affect the lungs and kidneys.


Gout is characterized by inflamed, painful joints due to the formation of crystal deposits at the joints.


Granuloma annulare is a chronic skin condition characterized by small, raised bumps that form a ring with a normal or sunken center.


Guillain-Barré syndrome is a neurological disorder in which the body's immune system attacks part of the peripheral nervous system.