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Diseases and Medical Conditions G-I provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters G-I. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Henoch-Schonlein Purpura
Henoch-Schonlein purpura is an abnormal immune system response within a blood vessel. Learn about Henoch-Schonlein purpura causes, symptoms, treatment and prevention. See more »
Hyperhidrosis
Hyperhidrosis is a condition causing unpredictable excessive sweating leading to discomfort. Learn about hyperhidrosis causes, symptoms, tests, treatment and prevention.
See more »Hyperimmunization
Hyperimmunization is a higher state of immunity due to large amounts of antibodies to an antigen. Learn about hyperimmunization causes, symptoms, tests, treatment and prevention.
See more »Hyperimmunoglobulin E Syndrome
Hyperimmunoglobulin E syndrome is a genetic defect producing high levels of immunoglobulin. Learn about hyperimmunoglobulin E syndrome causes, symptoms, treatment and prevention.
See more »Hyperkalemia
Hyperkalemia, excessive potassium in the blood, can have serious life-threatening bodily effects. Learn about hyperkalemia causes, symptoms, tests, treatment and prevention.
See more »Hyperkalemic Periodic Paralysis
Hyperkalemic periodic paralysis is random episodes of muscle weakness. Learn about hyperkalemic periodic paralysis causes, symptoms, treatment and prevention.
See more »Hyperparathyroidism
Hyperparathyroidism is excessive production of parathyroid hormone by the parathyroid gland. Learn about hyperparathyroidism causes, symptoms, treatment and prevention.
See more »Hypersensitivity Pneumonitis
Hypersensitivity pneumonitis is a lung inflammation caused by occupational exposure to allergens. Learn about hypersensitivity pneumonitis causes, symptoms, tests, treatment and prevention.
See more »Hypersplenism
Hypersplenism is increased spleen activity due to tumors, conditions or diseases. Learn about hypersplenism causes, symptoms, tests, treatment and prevention.
See more »Hypertension
Hypertension is high systolic or diastolic blood pressure. Learn about hypertension causes, symptoms, treatment and prevention.
See more »Hypertensive Heart Disease
Hypertensive heart disease is a late complication of hypertension affecting the heart. Learn about hypertensive heart disease causes, symptoms, treatment and prevention.
See more »Hypertensive Intracerebral Hemorrhage
Hypertensive intracerebral hemorrhage is bleeding in the brain from high blood pressure. Learn about hypertensive intracerebral hemorrhage causes, symptoms, treatment and prevention.
See more »Hypertensive Retinopathy
Hypertensive retinopathy is retinal damage from high blood pressure. Learn about hypertensive retinopathy causes, symptoms, treatment and prevention.
See more »Hyperthyroidism
Hyperthyroidism, excessive parathyroid hormone production, affects several major body systems. Learn about hyperthyroidism causes, symptoms, tests, treatment and prevention.
See more »Hypertrophic Cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is impaired heart function from thickened heart muscle. Learn about HCM causes, symptoms, treatment and prevention.
See more »Hyperviscosity - Newborn
Hyperviscosity – newborn is slowed or blocked blood flow from too many red blood cells. Learn about hyperviscosity in a newborn causes, symptoms, treatment and prevention.
See more »Hypervitaminosis A
Hypervitaminosis A is an excessive accumulation of vitamin A. Learn about hypervitaminosis A causes, symptoms, treatment and prevention.
See more »Hypervitaminosis D
Hypervitaminosis D is an excessive accumulation of vitamin D. Learn about hypervitaminosis D causes, symptoms, treatment and prevention.
See more »Hyphema
Hyphema is bleeding in the front chamber of the eye and can lead to pain, sight problems or glaucoma. Learn about hyphema causes, symptoms, tests, treatment and prevention.
See more »Hypocalcemia - Infants
Hypocalcemia – infants is an abnormally low calcium level in an infant. Learn about hypocalcemia in an infant causes, symptoms, treatment and prevention.
See more »Hypochondria
Hypochondria causes one to have an unrealistic fear of disease out of proportion to actual risk. Learn about hypochondria causes, symptoms, tests, treatment and prevention.
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Common Conditions:
