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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Diabetic Ketoacidosis
A life-threatening complication of diabetes causing high blood sugars, dehydration, and a toxic buildup of acids (ketones) in the blood.
Meningioma
The most common brain tumor, usually slow-growing and benign, arising from the coverings of the brain and causing symptoms by pressing on brain tissue.
Aortic Dissection
A life-threatening tear in the inner wall of the body's main artery (aorta), causing blood to split the artery layers apart, presenting as sudden, tearing chest pain.
Diabetic Neuropathy
Nerve damage from diabetes causing numbness, tingling, and severe pain, typically starting in the feet.
Legg-Calve-Perthes Disease
Childhood disorder involving temporary loss of blood supply to the femoral head, leading to bone death, collapse, and eventual regrowth of the hip joint.
Peyronie Disease
Formation of scar tissue inside the penis leading to painful erections and significant penile curvature.
Cholangiocarcinoma
An aggressive cancer of the bile ducts often causing profound jaundice, extremely difficult to cure surgically, and heavily linked to chronic biliary inflammation.
Polycystic Ovary Syndrome
A hormonal disorder causing irregular periods, excess male hormones (acne, facial hair), and cysts on the ovaries, heavily linked to insulin resistance.
Gout
A severely painful form of inflammatory arthritis caused by the buildup of uric acid crystals in joints, often starting in the big toe.
Pneumonia
An infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus, causing cough, fever, and difficulty breathing.
Obsessive-Compulsive Disorder
A mental health condition where a person has uncontrollable, recurring thoughts (obsessions) and behaviors (compulsions) they feel the urge to repeat over and over.
Kidney Stones
Hard deposits of minerals and salts that form in the kidneys and cause excruciating pain when they travel down the urinary tract.