The prevalence and nature of bladder and bowel dysfunction were examined in
a population-based study of 221 patients with multiple sclerosis who retur
ned postal questionnaires. This preliminary investigation was supplemented
by personal review which also provided information on sexual dysfunction in
174 and laboratory and urodynamic tests in 152 participants. Thirty of 221
(14%) currently used an indwelling catheter, and 84 of the remainding 190
(44%) reported symptoms of urinary dysfunction, of which the most common we
re urgency and frequency. Thirteen of 144 (9%) patients had biochemical evi
dence of renal dysfunction, and 40 of 132 (30%) had infected urine samples.
Eleven of 54 patients in whom investigation of upper urinary tract was tho
ught to be appropriate demonstrated abnormalities. Sixty-four of 221 (29%)
patients had experienced faecal incontinence, and 120 of 221 (54%) were con
stipated. Fifty-six of 68 (82%) men and 55 of 106 (52%) women reported a de
terioration in sexual activity, the commonest symptoms being erectile failu
re in men and fatigue in women.