Clinical & Medical Disease Vault
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
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 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.
Acute Bronchitis
A self-limiting, mostly viral inflammation of the large airways causing a persistent cough lasting 1-3 weeks.
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.
Acute Cholecystitis
Acute inflammation of the gallbladder, mostly due to gallstone obstruction of the cystic duct, causing severe right upper quadrant pain.
Acromegaly
Acromegaly is a hormonal disorder caused by a pituitary tumor producing too much growth hormone, leading to enlarged hands, feet, and facial features.
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Schizophrenia
A chronic, severe mental disorder characterized by hallucinations, delusions, disorganized thinking, and emotional flattening, causing severe functional impairment.
Henoch-Schonlein Purpura
A childhood vasculitis presenting with a purpuric rash on the legs, joint pain, abdominal pain, and kidney involvement.
Allergic Bronchopulmonary Aspergillosis
An allergic lung reaction to Aspergillus fungus seen in asthma and cystic fibrosis patients, causing wheezing, brownish mucus plugs, and eventually permanent lung damage if not treated.
Hypertrophic Cardiomyopathy
A genetic condition causing abnormal thickening of the heart muscle, leading to breathing problems, chest pain, and a risk of sudden cardiac death.
Small Cell Lung Cancer
A very fast-growing, aggressive lung cancer strongly linked to heavy smoking, presenting centrally in the chest and often spreading early to the brain and other organs.
Mitral Regurgitation
A valvular disorder where the mitral valve fails to close completely, allowing blood to flow backward into the left atrium during ventricular contraction.
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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.
Acute Ischemic Stroke
An acute ischemic stroke is a 'brain attack' where a blood clot blocks blood flow to a part of the brain, causing sudden weakness, speech difficulty, or vision loss.
Avascular Necrosis of Femoral Head
Bone death in the ball of the hip joint caused by a lack of blood flow, leading the hip to collapse and develop severe arthritis.
Diverticulitis
Inflammation or infection of small pouches in the wall of the large intestine, causing severe lower abdominal pain.
Acute Pericarditis
Acute pericarditis is an inflammation of the sac surrounding the heart, causing sharp chest pain that gets worse with deep breathing but feels better when sitting up and leaning forward.
Hashimoto Thyroiditis
An autoimmune disease where the immune system attacks and slowly destroys the thyroid gland, eventually leading to low thyroid hormone levels (hypothyroidism).
Liver Cirrhosis
Extensive scarring of the liver caused by long-term damage, leading to liver failure, portal hypertension, and severe systemic complications.
Atrioventricular Nodal Reentrant Tachycardia
A sudden, rapid heart rate caused by an electrical 'short circuit' inside the heart's AV node, starting and stopping abruptly.
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.
Chronic Pancreatitis
Permanent inflammatory scarring of the pancreas leading to intractable pain, malabsorption, and diabetes.
Chronic Lymphocytic Leukemia
An indolent clonal B-cell leukemia characterized by progressive accumulation of mature-appearing but dysfunctional lymphocytes, leading to lymphadenopathy and bone marrow failure.
Dacryocystitis
An infection of the tear sac located near the inner corner of the eye, causing pain, redness, swelling, and excessive tearing, usually due to a blocked tear duct.