Evidence-Based Medical Encyclopedia
Explore thousands of diseases with authoritative clinical information from WHO, CDC, NIH, and international medical guidelines. Every condition features an interactive journey from diagnosis to treatment.
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Featured Conditions
Achalasia
Achalasia is an esophageal motility disorder caused by nerve degeneration, resulting in failure of the lower esophageal sphincter to relax and progressive difficulty swallowing.
Acromegaly
Acromegaly is a hormonal disorder caused by a pituitary tumor producing too much growth hormone, leading to enlarged hands, feet, and facial features.
Acute Coronary Syndrome
Acute Coronary Syndrome is a heart attack or severe angina caused by a sudden blockage in a coronary artery, cutting off blood and oxygen to the heart muscle.
Acne Vulgaris
Acne vulgaris is a common inflammatory skin condition caused by blocked hair follicles and oil glands, leading to pimples, blackheads, and cysts.
Acute Lymphoblastic Leukemia
A rapid-onset blood cancer where immature white blood cells (lymphoblasts) multiply uncontrollably in the bone marrow, crowding out healthy cells.
Acute Kidney Injury
Acute Kidney Injury is a sudden loss of kidney function, often due to decreased blood flow, toxins, or blockages, leading to a dangerous buildup of waste and fluids.
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Fibromyalgia
A chronic disorder causing widespread body pain, severe fatigue, and brain fog, stemming from how the brain processes pain.
Achalasia
Achalasia is an esophageal motility disorder caused by nerve degeneration, resulting in failure of the lower esophageal sphincter to relax and progressive difficulty swallowing.
Autosomal Dominant Polycystic Kidney Disease
A genetic disease where hundreds of large cysts grow inside the kidneys, destroying their ability to filter blood and causing massively enlarged kidneys, high blood pressure, and kidney failure.
Liver Cirrhosis
Extensive scarring of the liver caused by long-term damage, leading to liver failure, portal hypertension, and severe systemic complications.
Cushing Syndrome
A hormonal disorder caused by prolonged exposure to inappropriately high levels of cortisol.
Chronic Kidney Disease
Irreversible, progressive decline in kidney function occurring over months to years.
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Hidradenitis Suppurativa
A chronic, painful skin condition causing recurring boils and tunnels under the skin, usually in the armpits and groin.
Melanoma
A deadly form of skin cancer that starts in pigment cells, often looking like an irregular, changing mole, and requires surgical removal before it spreads.
Systemic Sclerosis
A rare disease that causes the body to produce too much collagen, leading to hardening and tightening of the skin and damage to internal organs.
Atopic Dermatitis
A chronic skin condition causing severely dry, red, itchy patches. Known as 'the itch that rashes,' it mostly affects children but can persist into adulthood.
Esophageal Cancer
A deadly cancer of the food pipe often discovered at an advanced stage, typically causing progressive difficulty swallowing solid foods.
Type 2 Diabetes Mellitus
A common condition where the body becomes resistant to its own insulin, causing blood sugar levels to rise dangerously high over time.
Atrial Fibrillation
A chaotic, irregular heartbeat that causes poor blood flow and massively increases the risk of forming blood clots in the heart, leading to stroke.
Obstructive Sleep Apnea
A condition where the airway repeatedly collapses during sleep, stopping breathing and causing severe snoring, poor sleep, and daytime sleepiness.
Acne Vulgaris
Acne vulgaris is a common inflammatory skin condition caused by blocked hair follicles and oil glands, leading to pimples, blackheads, and cysts.
Acute Lymphoblastic Leukemia
A rapid-onset blood cancer where immature white blood cells (lymphoblasts) multiply uncontrollably in the bone marrow, crowding out healthy cells.
Diabetic Nephropathy
Kidney damage caused by diabetes, leading to protein leakage in the urine and progressive loss of kidney function.
Renal Cell Carcinoma
The most common kidney cancer in adults, arising from renal tubules, often asymptomatic until large, and frequently causing paraneoplastic syndromes.