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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Endometriosis
A painful condition where tissue similar to the lining of the uterus grows outside the uterus, causing pelvic pain and fertility issues.
Anti-GBM Disease
A life-threatening autoimmune disorder where antibodies attack the lungs and kidneys, causing pulmonary hemorrhage (coughing up blood) and rapidly progressive renal failure.
Ectopic Pregnancy
A pregnancy where the fertilized egg implants outside the uterus, most commonly in the fallopian tube, posing a life-threatening risk of rupture and internal bleeding.
Hepatic Encephalopathy
A reversible decline in brain function caused by severe liver disease, leading to confusion, altered sleep, and hand tremors as toxins (like ammonia) build up in the blood.
Nephrogenic Diabetes Insipidus
A condition where the kidneys don't respond to the hormone that tells them to hold onto water, leading to excessive urination and extreme thirst.
Lichen Planus
An itchy, purplish skin rash with flat-topped bumps, often accompanied by white, lacy patches in the mouth, driven by an autoimmune reaction.
Hashimoto Thyroiditis
An autoimmune disease where the immune system attacks and slowly destroys the thyroid gland, eventually leading to low thyroid hormone levels (hypothyroidism).
Gastroesophageal Reflux Disease
Chronic backflow of stomach acid into the esophagus causing heartburn, regurgitation, and potential damage to the esophageal lining.
Pleural Effusion
Buildup of fluid between the layers of tissue that line the lungs and chest cavity, commonly causing shortness of breath and chest pain.
Major Depressive Disorder
A serious mental health condition marked by at least two weeks of pervasive sadness and loss of interest, impairing daily life and requiring medical and psychological treatment.
Colorectal Cancer
Cancer of the large intestine or rectum, typically growing from pre-cancerous polyps over many years.
Acute Myeloid Leukemia
An aggressive cancer of the myeloid blood cells where immature myeloblasts rapidly fill the bone marrow, causing severe anemia, infections, and bleeding.