Stiff person syndrome (SPS) is a rare autoimmune movement disorder that affects the central nervous system. It causes severe muscle stiffness, rigidity, and painful spasms in the trunk. Stiff person syndrome starts with the muscles in your trunk and abdomen.
Lyme disease is the most prevalent vector-borne disease in the United States. It is caused by the bacterium Borrelia burgdorferi and, rarely, Borrelia mayonii. It is transmitted to humans through a bite from an infected black-legged tick, commonly known as
Chronic inflammatory demyelinating polyneuropathy (CIDP) is a rare, debilitating, and degenerative neurologic illness characterized by progressive weakness due to peripheral nerve damage. The exact cause is unknown, but it is believed to be primarily autoimmune or inflammatory, with no specific predisposing
Small fiber neuropathy (SFN) is a type of peripheral neuropathy in which only the small sensory nerves are affected. It is often characterized by severe pain attacks, described as stabbing or burning, that usually begins in the hands or feet.
Myasthenia gravis is a chronically occurring neuromuscular autoimmune disorder in which weakness occurs in the skeletal muscles. An autoimmune disorder is when the immune system attacks the body's receptors. The associated weakness worsens after activity and improves after rest.