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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Acute Cholecystitis
Acute inflammation of the gallbladder, mostly due to gallstone obstruction of the cystic duct, causing severe right upper quadrant pain.
Acute Pancreatitis
Acute pancreatitis is a sudden and extremely painful inflammation of the pancreas, most often caused by gallstones or heavy alcohol use, where the organ begins to digest itself.
Hepatocellular Carcinoma
The primary cancer of the liver, almost always arising in cirrhotic patients, diagnosed via dynamic imaging and treated by resection, ablation, or transplant.
Trigeminal Neuralgia
A nerve disorder causing sudden, severe, electric shock-like pain in the face, often triggered by simple actions like brushing teeth or chewing.
Congestive Heart Failure
A chronic, progressive condition where the heart cannot pump efficiently, causing fluid to back up into the lungs and body.
Appendicitis
A sudden inflammation of the appendix, often caused by a blockage, resulting in severe right lower belly pain and requiring surgical removal.
Alzheimer Disease
A fatal neurodegenerative disease defined by amyloid plaques and tau tangles, causing progressive memory loss, cognitive decline, and eventual loss of independent function.
Chagas Disease
A parasitic infection transmitted by 'kissing bugs' in the Americas, which can lie dormant for decades before causing heart failure and enlarged digestive organs.
Meniere Disease
An inner ear disorder causing sudden attacks of spinning dizziness, ringing in the ear, and progressive hearing loss due to fluid buildup.
Hepatitis C Virus Infection
A curable viral liver disease transmitted via blood that causes silent liver damage, cirrhosis, and cancer over decades.
Psoriasis Vulgaris
A chronic autoimmune skin disease causing red, scaly plaques on extensor surfaces, driven by overactive T-cells and rapid skin cell turnover.
Leprosy
A chronic bacterial infection of the skin and nerves caused by M. leprae, leading to numb skin patches and potential limb deformities if untreated.