"Enuresis risoria" or
"giggle incontinence" is a condition characterized by the sudden vesicle
emptying, involuntary and complete during situation of intense laughter or burst of
It is not uncommon the occurrence of urinary loss during laughter or a burst of laughter.
Frequently there is a stress urinary loss, induced by the increase of abdominal pressure.
A small amount of patients lose urine by involuntary contraction of the detrusor,
stimulated by laughter. The frequency of this disturbance is larger in children,
adolescents and young women that do not present stress urinary incontinence.
Exceptionally, the problem persists when they are adults. Urinary loss does not appear in
situations of light or moderate laughter, but it does when the laughter becomes a burst,
The urodynamic study may be normal or show alterations up to 55% of patients that we
suspect have "giggle incontinence" as an instability of the detrusor, stress
incontinence is a urethral instability3. It is not likely that we can reproduce the
symptom during a urological evaluation (unless the urodynamist is the best comedian in the