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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Pernicious Anemia
An autoimmune disease causing lack of intrinsic factor, preventing Vitamin B12 absorption, and resulting in severe anemia and progressive nerve damage.
Multiple Myeloma
A blood cancer involving malignant plasma cells in the bone marrow that causes bone destruction, kidney failure, anemia, and hypercalcemia.
Liver Cirrhosis
Extensive scarring of the liver caused by long-term damage, leading to liver failure, portal hypertension, and severe systemic complications.
Peptic Ulcer Disease
A disruption of the gastric or duodenal mucosa primarily caused by H. pylori infection or NSAID use, presenting with dyspepsia and epigastric pain.
Cushing Syndrome
A hormonal disorder caused by prolonged exposure to inappropriately high levels of cortisol.
Essential Hypertension
Chronic high blood pressure with no single clear cause, significantly increasing the risk of heart attacks and strokes.
Pulmonary Embolism
A life-threatening blood clot in the lungs that blocks blood flow, causing sudden shortness of breath and chest pain.
Hashimoto Encephalopathy
A rare, steroid-responsive encephalopathy presenting with altered mental status and seizures, associated with elevated anti-TPO/anti-Tg antibodies but unrelated to actual thyroid function.
Malaria
A mosquito-borne parasitic disease causing cyclical fevers, chills, and severe anemia, with the falciparum species being potentially fatal.
Chronic Kidney Disease
Irreversible, progressive decline in kidney function occurring over months to years.
Molluscum Contagiosum
A viral skin infection causing small, firm, pearly bumps with a dimple in the center, most common in children.
Granulomatosis with Polyangiitis
A life-threatening systemic vasculitis driven by PR3-ANCA, causing necrotizing granulomas in the upper/lower respiratory tract and rapidly progressive glomerulonephritis.