A personality disorder is a label to describe ways of living that cause distress for you, those you relate to, or both.

PUPPP is a very common skin rash that can occur later in pregnancy. It goes away after the baby is born. Learn about how you can ease the itching it causes.

A neck fracture is a break (fracture) in one or more bones in the neck.

Tethered cord syndrome is a problem with the bottom of the spinal cord. Learn about this condition, including causes, symptoms, diagnosis, and treatment.

SSLR is linked to certain medicines used to treat an infection, and to other health conditions.

Serum sickness is an immune system reaction. It is triggered by antiserums or antivenins, and by certain types of proteins in medicines used to treat an infection or condition.

Polyarthritis is a term for arthritis that affects five or more joints at the same time. Learn about the causes, symptoms, and treatments.

Spirometry is a type of breathing test. It is a painless test often used to find the cause of lung problems.

Continuous renal replacement therapy (CRRT) is a special type of dialysis. It’s mostly used to help very sick people whose kidneys suddenly start to fail.

Baby acne (neonatal acne) is a skin condition that affects about 2 out of 10 newborns. It occurs when a baby is about 2 to 6 weeks old.