Find out more about this skin condition that causes a rough, scaly patch after years of ultraviolet exposure from the sun or indoor tanning.
Disease
Acute kidney injury
Learn what happens when the kidneys suddenly stop working, what causes this condition and how it's treated.
Disease
Chronic kidney disease
Learn about kidney failure symptoms, tests, diagnosis and treatment options, including medication, dialysis and kidney transplant.
Disease
Diabetic ketoacidosis
Learn more about the symptoms, treatment and prevention of this serious diabetes complication.
Disease
Diabetic nephropathy (kidney disease)
Managing diabetes can prevent or delay this common diabetes complication that affects the kidneys.
Disease
Kaposi sarcoma
This cancer caused by a virus occurs in people who have AIDS and those with a donated organ who take medicines to prevent organ rejection.
Disease
Kawasaki disease
Learn more about this condition that primarily affects young children and causes inflammation in the walls of the arteries throughout the body.
Disease
Keloid scar
Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.
Disease
Keratitis
An inflamed, red eye can be a minor nuisance — but sometimes it means a more serious problem. Find out about symptoms, treatment and prevention for this potentially dangerous eye condition.
Disease
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
Disease
Keratosis pilaris
Find out more about this harmless, nonpitch skin condition that causes bumpy, rough skin on the upper arms, thighs or buttocks.
Disease
Kidney cancer
Learn about the symptoms, diagnosis and treatments for this type of cancer that begins in the kidney.