Urinary disorders are very frequent in M.S. They must be treated in th
e same way as the other problems. They may have a devastating impact o
n the patient's social life. They consist of storage disorders, voidin
g disorders and combined disorders with detrusor sphincter dyssynergia
. Their treatments aim at improving the comfort of life and preventing
renal damages. I.C. is a procedure of choice. It is often associated
to pharmacological treatments. Surgical treatments can also be propose
d in some cases. The treatments must be flexible, adjusted to each per
son.