An MS lesion is an area of damage or scarring in the brain or spinal cord. Lesions are caused by inflammation that results from the immune system attacking the myelin sheath around the nerves in your central nervous system.

A sudden, electric shock-like feeling that passes down the back of the neck and can reach the fingers and toes. Find out more about Lhermitte's sign, why it happens and how to manage it.

Multiple sclerosis (MS) is not considered a terminal condition and long-term studies suggest that MS only has a small impact on life expectancy.

Lipoic acid (also known as alpha lipoic acid) is being tested as a treatment for secondary and primary progressive multiple sclerosis (MS). It is taken as a tablet once daily.

Naltrexone (Nalorex) is a drug used to treat people with addictions. Following anecdotal reports that low doses help the symptoms of people with a wide range of conditions, there have been a few pilot studies of low dose naltrexone (LDN) in multiple sclerosis.

A lumbar puncture is a diagnostic test for multiple sclerosis that involves removing and analysing a sample of cerebrospinal fluid (CSF), the fluid that surrounds the brain and spinal cord within the skull and backbone. It is sometimes referred to as a spinal tap.

Magnetic resonance imaging (MRI) is a scanning technique that produces images of slices through the body using magnetic fields and radio waves. MRI images of the brain and spinal cord can be used to diagnose MS.

Masitinib is an experimental drug treatment for secondary and primary progressive MS. It is taken as a tablet, twice daily.

Massage is used by some people for the relief of pain and musculoskeletal symptoms of multiple sclerosis. It can be relaxing and may help general well-being. Massage is often used in combination with aromatherapy.