Multiple sclerosis (MS) is a condition that can affect the brain and spinal cord, causing a wide range of potential symptoms, including problems with vision, arm or leg movement, sensation or balance.
Multiple sclerosis is a lifelong condition that affects the brain and nerves.
There are many possible symptoms of multiple sclerosis. Common symptoms include tiredness, vision problems and problems with walking or balance.
Multiple sclerosis is caused by your immune system mistakenly attacking the brain and nerves. It's not clear why this happens.
Multiple sclerosis cannot be cured, but medicines and other treatments can help ease some of the symptoms.
Page last reviewed: 20/12/2018
Next review due: 20/12/2021