Therapy Insight: bladder dysfunction associated with multiple sclerosis

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Abstract
Bladder dysfunction is a common problem for patients with multiple sclerosis. The severity of symptoms often correlate with the degree of spinal cord involvement and, hence, the patient's general level of disability. The emphasis of management is now mainly medical and is increasingly offered by nonurologists. Treatments can be highly effective, relieving patients of what are otherwise very troublesome symptoms that would compound their neurological disability. This article gives an overview of the neural control of the bladder, followed by an explanation of the pathophysiology of detrusor overactivity secondary to neurological disease. A review of methods available for treating bladder dysfunction in multiple sclerosis then follows. The treatment options for this disorder are largely medical and include established first-line measures such as anticholinergics, clean intermittent self-catheterization and the use of desmopressin, as well as potential second-line agents, such as cannabinoids, intravesical vanilloids and intradetrusor botulinum neurotoxin type A. The diminishing role of surgical intervention is also discussed.