Friedreich's ataxia is a rare, inherited, degenerative disease that damages the spinal cord, peripheral nerves and the cerebellum. It causes movement problems and loss of sensation due to nerve injury.

OTC pain relievers can be divided into just 2 main types: acetaminophen and nonsteroidal anti-inflammatory medicines, or NSAIDs.

Transcutaneous electrical nerve stimulation, or TENS, offers pain relief for some people by sending low-voltage electrical current into the body.

Immunoglobulin A (IgA) is a blood protein that's part of your immune system. Your body makes IgA to help fight off sickness. Having an IgA deficiency means that you have low levels or no immunoglobulin A in your bloodstream.

Severe immune disorders may be obvious right after birth. Other immune disorders may cause only mild symptoms and may not be noticed until later in childhood or early adulthood.

Dermatomyositis is a rare disease that causes muscle inflammation and skin rash. It's one of a group of muscle diseases that cause muscle inflammation and swelling. It's different from other muscle diseases because it also causes skin problems.

Your medical team may advise 1 of several different types of surgery as part of your cancer treatment. These types include cryosurgery, laser surgery, microsurgery, and electrosurgery.

Radiculopathy, commonly called pinched nerve, often occurs in the low back.

Monoclonal gammopathies are conditions in which abnormal proteins are found in the blood.

Granulomatosis with Polyangiitis (GPA) is a condition of the immune system. It causes swelling and irritation in blood vessels and other tissues.