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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Hyperthyroidism
An overactive thyroid gland causing accelerated metabolism, rapid heart rate, and weight loss.
Non-Hodgkin Lymphoma
A diverse group of blood cancers that start in lymphocytes (white blood cells), causing swollen lymph nodes and potentially spreading throughout the body.
Benign Prostatic Hyperplasia
Age-related non-cancerous prostate enlargement causing urinary obstruction and LUTS.
Acute Otitis Media
A common bacterial or viral infection of the middle ear, mostly seen in young children, causing ear pain, fever, and a bulging eardrum.
Sickle Cell Disease
An inherited genetic blood disorder where abnormal hemoglobin causes red blood cells to become sickle-shaped, leading to severe pain episodes, chronic anemia, and organ damage.
Bell Palsy
Idiopathic acute unilateral lower motor neuron facial nerve paralysis.
Celiac Disease
Autoimmune damage to the small intestine triggered by eating gluten, leading to malabsorption.
Syphilis
A multi-stage sexually transmitted bacterial infection causing painless sores, followed by systemic rashes, and potentially ending in severe brain and heart damage if left untreated.
Multiple Sclerosis
An autoimmune disease of the central nervous system where the body's immune system attacks myelin, causing varied neurological symptoms.
Chronic Obstructive Pulmonary Disease
Chronic inflammatory lung disease that causes irreversible obstructed airflow, primarily from smoking.
IgA Nephropathy
A kidney disease where abnormal IgA proteins build up in the kidney filters, causing blood in the urine and potential long-term kidney failure.
Dementia with Lewy Bodies
A progressive dementia causing fluctuating confusion, detailed visual hallucinations, and Parkinson-like stiffness, with severe reactions to typical antipsychotic drugs.