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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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1,019 results

Abdominal Aortic Aneurysm

Abdominal aortic aneurysm is an enlargement of the main artery in the abdomen that can rupture if it grows or…

  • 12 doctors

Acanthosis Nigricans

Acanthosis nigricans is a skin condition causing dark, thickened, velvety patches, most often on the neck, armpits, and groin. It…

  • 7 answers

Accessory Breast

An accessory breast is extra breast tissue that forms before birth outside the normal breast location, most often in the…

  • 12 doctors
  • 7 answers

Achalasia

Achalasia is a swallowing disorder in which the lower esophageal sphincter does not relax properly and the esophagus loses normal…

  • 12 doctors

Achilles Tendinitis

Achilles tendinitis is inflammation or degeneration of the Achilles tendon, causing pain, stiffness, and tenderness at the back of the…

  • 12 doctors

Achilles Tendon Rupture

Achilles tendon rupture is a tear of the strong tendon connecting the calf muscles to the heel, typically causing sudden…

  • 9 doctors
  • 7 answers

Achondroplasia

Achondroplasia is a genetic bone-growth condition and the most common cause of disproportionate short stature. It results from a change…

  • 2 doctors
  • 7 answers

Acid Disorders

Acid disorders are digestive conditions in which stomach acid causes symptoms or damages the lining of the esophagus, stomach, or…

  • 12 doctors
  • 7 answers

ACL Tear

An ACL tear is an injury to the anterior cruciate ligament in the knee that can cause pain, swelling, instability,…

  • 5 doctors
  • 7 answers

Acne

Acne is a common skin condition in which hair follicles become blocked with oil and dead skin cells, causing whiteheads,…

  • 12 doctors
  • 7 answers

Acne Vulgaris

Acne vulgaris is a common skin condition in which hair follicles become clogged with oil and dead skin cells, causing…

  • 4 doctors
  • 7 answers

Acoustic Neuroma

Acoustic neuroma is a noncancerous tumor that develops on the nerve linking the inner ear to the brain, often causing…

  • 12 doctors
  • 7 answers

Acromegaly

Acromegaly is a hormonal disorder caused by excess growth hormone, usually due to a pituitary tumor, leading to gradual enlargement…

  • 12 doctors

Actinic Keratosis

Actinic keratosis is a rough, sun-damaged skin lesion that can develop into skin cancer, so it is evaluated and treated…

  • 12 doctors
  • 7 answers

Acute Bronchitis

Acute bronchitis is short-term inflammation of the bronchi, the large airways leading into the lungs, usually caused by the same…

  • 12 doctors
  • 7 answers

Acute Kidney Injury

Acute kidney injury is a sudden decline in kidney function that causes waste products and fluid to build up in…

  • 12 doctors
  • 7 answers

Acute Lymphoblastic Leukemia

Acute lymphoblastic leukemia is a fast-growing blood and bone marrow cancer that begins in immature white blood cells and can…

  • 12 doctors

Acute Lymphocytic Leukemia

Acute lymphocytic leukemia (ALL) is a fast-growing cancer of the blood and bone marrow in which immature white blood cells…

  • 5 doctors
  • 7 answers

Acute Myelogenous Leukemia

Acute myelogenous leukemia (AML) is a fast-growing cancer of the blood and bone marrow in which immature white blood cells…

  • 5 doctors
  • 7 answers

Acute Myeloid Leukemia

Acute myeloid leukemia is a fast-growing blood and bone marrow cancer in which abnormal myeloid cells crowd out healthy blood…

  • 12 doctors

Acute Respiratory Distress Syndrome

Acute respiratory distress syndrome is a life-threatening condition in which severe inflammation causes fluid to leak into the lungs, making…

  • 9 doctors

Acute UTI

An acute UTI is a sudden bacterial infection of the urinary tract, most often the bladder, causing burning urination, urgency,…

  • 12 doctors
  • 7 answers

Addison Disease

Addison's disease is primary adrenal insufficiency: the adrenal glands no longer produce enough cortisol and, usually, aldosterone. Treatment is lifelong…

  • 12 doctors
  • 6 answers

Addison’s Disease

Addison’s disease is a long-term condition in which the adrenal glands do not produce enough hormones, especially cortisol and often…

  • 12 doctors
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