Dantrolene sodium is a drug used to treat chronic, severe spasticity and spasms. It works by stopping electrical impulses within muscles, preventing contractions.

Deep brain stimulation is an invasive surgical technique sometimes used to treat serious tremor in multiple sclerosis (MS).

Sexual difficulties, including difficulty reaching orgasm, are common in men with MS. Sexual issues often result from a complex interaction of physical, social, psychological and emotional elements. Read more in this A-Z entry.

Multiple sclerosis (MS) is not the only condition caused by autoimmune demyelination and damage to nerves. MS mimics, such as transverse myelitis (TM), acute disseminated encephalomyelitis (ADEM) and neuromyelitis optica (NMO or NMOSD) have similar symptoms, which can make diagnosis and treatment tricky.

There have been some claims that mercury leaking from the dental amalgam used in fillings damages the immune system and can cause or worsen MS. Learn more in this A-Z entry.

Depression is different from low mood, it is persistent and can affect all aspects of your life, and is often related to anxiety and stress. Depression can be lonely and isolating, but it is a recognised and treatable condition.

Desmopressin is a drug used to treat bladder problems in MS. It is used in people who need to go to the toilet frequently during the night (known as nocturia). Learn more in this A-Z entry.

Keeping a symptom diary to monitor your multiple sclerosis (MS) can be helpful to you and your MS team. This information will allow you to understand what affects your MS, and can help you to identify trigger factors and patterns. Becoming aware of this allows you to change how you do things so you can manage your MS better.

Diazepam is typically used to treat spasticity and spasms in MS when other treatments are not proving effective it can also be used for severe anxiety. Read more in this A-Z entry.