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.