Health Library

Articles In This Section

• A to Z: Nystagmus

  Learn more about this eye problem.

• A to Z Symptom: Nausea

  Nausea (stomach upset or feeling queasy) can be caused by many things. Often, it can be managed at home with treatment to prevent dehydration.

• A to Z: Necrotizing Enterocolitis

  Necrotizing enterocolitis (NEC) is a serious intestinal problem where tissue in a newborn's colon dies off. Babies with necrotizing enterocolitis need medical care right away.

• A to Z: Necrotizing Respiratory Granulomatosis

  See: Granulomatosis With Polyangiitis (GPA).

• A to Z: Nephrotic Syndrome

  Learn about conditions that affect the kidneys and urinary tract.

• A to Z: Neurofibromatosis

  Learn more about neurofibromatosis (NF), which can cause tumors to grow, including how it's treated.

• A to Z: Neurogenic Bladder

  The term neurogenic bladder refers to a bladder that doesn't function properly because of nervous damage.

• A to Z: Neurosis

  See: Mental Disorder, Non-psychotic.

• A to Z: Nonunion of Fracture

  In this condition, a broken bone does not heal completely and needs advanced treatment. Learn more.

• A to Z: Norovirus

  Learn about viral infections and conditions that affect the stomach and digestive system.

• A to Z: Neoplasm (Tumor), Malignant

  Learn about tumors and cancer.

• A to Z: Neutropenia

  Neutropenia is when the body has very low levels of certain white blood cells called neutrophils, the body's main defense against infection.

• A to Z: Nursemaid’s Elbow (Annular Ligament Displacement)

  Nursemaid's elbow is a common injury in young kids that happens when a ligament slips out of place near the elbow.