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Multifocal Motor Neuropathy

What is Multifocal Motor Neuropathy?

Multifocal motor neuropathy (also known as multifocal acquired motor axonopathy) is a potentially treatable nerve disease that affects the nerves to the muscles and thus causes weakness and cramping in muscles. The muscles can also have twitching and wasting. Different muscles can be affected in each of the limbs.

Who gets Multifocal Motor Neuropathy?

Men are more often affected with multifocal motor neuropathy than women. Symptoms usually appear before age 45.

How is Multifocal Motor Neuropathy diagnosed?

After learning the patient's history, a physician may perform an EMG and nerve conduction studies to help distinguish multifocal motor neuropathy from other nerve and muscle problems.

How is Multifocal Motor Neuropathy treated?

Treatment is variable, depending on the patient. Some may not require any treatment. Others may take intravenous immunoglobulin (IVIg). Immunosuppressive therapy is also a possibility.

More information on Multifocal Motor Neuropathy

Foundation for Peripheral Neuropathy
American Chronic Pain Association
Johns Hopkins Department of Neurology
 

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