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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Idiopathic Pulmonary Fibrosis
A fatal disease where the lungs become progressively scarred and stiff for unknown reasons, making breathing extremely difficult.
Graves Disease
An autoimmune condition where the immune system overstimulates the thyroid gland, causing it to produce too much thyroid hormone and leading to a rapid heart rate, weight loss, and sometimes bulging eyes.
Paget Disease of Bone
A focal disorder of chaotic bone remodeling leading to enlarged, weakened, and easily fractured bones, primarily driven by hyperactive osteoclasts.
Parkinson Disease
A progressive brain disorder that leads to shaking, stiffness, and difficulty with walking, balance, and coordination.
Migraine Headaches
A severe, throbbing headache often on one side of the head, associated with nausea and sensitivity to light, caused by sensitive brain nerves and blood vessels.
Addison Disease
Addison disease occurs when the adrenal glands are damaged and cannot produce enough cortisol and aldosterone, leading to severe fatigue, low blood pressure, weight loss, and skin darkening.
Primary Hyperparathyroidism
A condition where a benign tumor on a parathyroid gland produces too much parathyroid hormone, pulling calcium out of bones and into the blood.
Dengue Fever
A tropical viral illness transmitted by mosquitoes, characterized by high fever, severe body aches, and in severe cases, dangerous internal bleeding and shock.
Iron Deficiency Anemia
A lack of iron leading to a reduced number of healthy red blood cells, causing fatigue and weakness.
Acromegaly
Acromegaly is a hormonal disorder caused by a pituitary tumor producing too much growth hormone, leading to enlarged hands, feet, and facial features.
Preeclampsia & Eclampsia
A dangerous pregnancy complication marked by high blood pressure and organ damage, which can progress to life-threatening seizures (eclampsia).
Asthma
A chronic lung disease causing episodes of airway narrowing and mucus production, leading to wheezing and shortness of breath. Controlled with daily inhaled steroids.