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Every page here comes from the clinical unit that handles the condition — not from a content desk. Read what a diagnosis means, what a treatment involves and what to expect afterwards, in plain language.

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2,309 results

Chronic Low Back Pain

Chronic low back pain is persistent pain or stiffness in the lower back, often caused by disc problems, arthritis, muscle…

  • 12 doctors
  • 7 answers

Chronic Lymphocytic Leukemia

Chronic lymphocytic leukemia is a slow-growing blood and bone marrow cancer that starts in lymphocytes, a type of white blood…

  • 12 doctors

Chronic Obstructive Pulmonary Disease

Chronic obstructive pulmonary disease is a long-term lung condition that narrows the airways and damages breathing, usually causing cough, mucus…

  • 5 doctors
  • 7 answers

Chronic Pain

Chronic pain is pain that lasts or keeps returning for more than about three months, or beyond normal healing time.…

  • 12 doctors
  • 7 answers

Chronic Sinusitis

Chronic sinusitis is long-lasting inflammation of the sinuses that causes ongoing nasal blockage, facial pressure, mucus drainage, and reduced smell.…

  • 5 doctors
  • 7 answers

Chronic Subdural Hematoma

Chronic subdural hematoma is a slow collection of blood between the brain’s surface and its outer covering, usually developing over…

  • 12 doctors
  • 7 answers

Chronic Urticaria

Chronic urticaria is a long-lasting skin condition that causes recurrent itchy hives, swelling, or both, often without a clear trigger.…

  • 5 doctors
  • 7 answers

Chronic Venous Insufficiency

Chronic venous insufficiency is a condition in which leg veins do not return blood effectively to the heart, causing symptoms…

  • 12 doctors
  • 6 answers

CIDP

CIDP (chronic inflammatory demyelinating polyneuropathy) is a rare autoimmune condition in which the immune system damages the myelin coating of…

  • 12 doctors
  • 7 answers

Cirrhosis

Cirrhosis is advanced, permanent scarring of the liver caused by years of injury from conditions such as heavy alcohol use,…

  • 12 doctors
  • 6 answers

Cleft Lip and Palate

Cleft lip and palate are birth differences in which the upper lip, the roof of the mouth, or both do…

  • 12 doctors
  • 7 answers

Clotting Disorder

A clotting disorder is a condition in which blood does not clot normally. Some types cause excessive bleeding and bruising,…

  • 12 doctors
  • 7 answers

Clubfoot

Clubfoot is a congenital condition in which one or both feet are twisted inward and downward, affecting alignment and walking…

  • 9 doctors

Cluster Headache

Cluster headache is a neurological headache disorder that causes sudden, severe pain attacks, usually around one eye, often with tearing,…

  • 12 doctors
  • 7 answers

Coal Pneumoconiosis

Coal pneumoconiosis, widely known as black lung, is a chronic occupational lung disease caused by inhaling coal mine dust over…

  • 12 doctors
  • 5 answers

Coarctation of the Aorta

Coarctation of the aorta is a congenital narrowing of the body’s main artery that forces the heart to work harder…

  • 12 doctors
  • 7 answers

Coccydynia

Coccydynia is pain in the coccyx, or tailbone, usually felt when sitting or rising and often linked to injury, prolonged…

  • 1 doctors

Cognitive Disorders

Cognitive disorders are medical conditions that impair thinking, memory, attention, language, or judgment more than expected for a person's age.…

  • 12 doctors
  • 7 answers

Colon Cancer

Colon cancer is a cancer that starts in the colon, the main part of the large intestine, usually developing slowly…

  • 12 doctors
  • 7 answers

Colon Polyps

Colon polyps are growths on the inner lining of the colon or rectum that are often harmless at first but…

  • 5 doctors
  • 7 answers

Color Blindness

Color blindness is a vision disorder in which the eyes have difficulty distinguishing certain colors, most often red and green,…

  • 12 doctors

Colorectal Cancer

Colorectal cancer is a malignancy that starts in the colon or rectum, often developing from abnormal growths in the bowel…

  • 12 doctors
  • 7 answers
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