Baclofen is a drug used to treat spasticity and spasms in multiple sclerosis. Learn more about this drug in this A-Z entry.

Can MS affect your balance? Multiple sclerosis can affect your balance in a number of ways, and lead to increased falls. You can manage balance problems with a combination of physiotherapy treatments and activities as well as by being aware of factors that could make your balance worse. Find out more in this A-Z entry.

Bee venom therapy involves using venom from bee stings to induce an anti-inflammatory response in the body. It is not considered an effective treatment for MS.

Beta interferons are disease modifying therapies (DMTs) for relapsing remitting multiple sclerosis. You self-inject them into a muscle or under the skin.

Bexarotene was investigated in clinical trials for its potential to repair myelin. The dose required led to serious side effects and further studies were not conducted.

Bladder and bowel problems are common in MS, however this is an area where successful treatments are available and straightforward lifestyle changes can make a real difference.

Some people with multiple sclerosis experience bladder accidents (urinary incontinence), where bladder control is lost and urine leaks out. Treatment options can include pelvic floor exercises, medication, lifestyle changes and using a catheter.

Bladder issues are common symptoms in multiple sclerosis. Problems can include needing the toilet urgently and frequently, and having difficulty emptying your bladder. Treatment options include medication, using a catheter and lifestyle changes.

The blood-brain barrier is a tightly packed layer of endothelial cells that line the blood vessels in the brain and spinal cord. Learn why it matters in multiple sclerosis in this A-Z entry.