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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Post-Traumatic Stress Disorder
A debilitating mental health condition triggered by experiencing or witnessing a terrifying event, causing flashbacks, nightmares, and severe anxiety.
Sarcoidosis
An inflammatory disease where tiny collections of immune cells (granulomas) grow in the lungs, lymph nodes, and other organs, causing coughing and shortness of breath.
Pemphigus Vulgaris
A severe autoimmune condition causing painful, easily broken blisters and sores on the skin and inside the mouth.
Ovarian Cancer
A highly deadly cancer of the female reproductive glands, usually diagnosed late because its early symptoms are vague like bloating and pelvic pain.
Autoimmune Hepatitis
A chronic liver disease where the immune system attacks hepatocytes, characterized by elevated transaminases, autoantibodies, and IgG, treated with immunosuppressants.
Restless Legs Syndrome
An overwhelming evening urge to move the legs to relieve uncomfortable sensations, strongly linked to low brain iron and dopaminergic dysfunction, causing severe insomnia.
Raynaud Phenomenon
Episodic vasospasm of the digits causing color changes (white, blue, red) in response to cold or stress, either benign (primary) or secondary to autoimmune diseases.
Cerebral Palsy
A non-progressive childhood movement and posture disorder caused by early brain injury, leading to spasticity, delayed motor milestones, and lifelong physical disability.
Hepatic Hemangioma
The most common benign liver tumor, consisting of blood-filled vascular spaces, usually discovered incidentally and requiring no treatment.
Sialadenitis & Parotitis
Painful swelling of the salivary glands (usually parotid or submandibular) caused by bacterial infection, viral mumps, stones, or autoimmune disease.
Breast Cancer
A malignancy of the breast ducts or lobules, highly treatable when caught early, whose management depends on the presence of estrogen, progesterone, and HER2 receptors.
Infectious Mononucleosis
A viral infection famous for causing severe fatigue, sore throat, and swollen lymph nodes, often called the 'kissing disease'.