What causes detrusor instability?

Jill Rabin
OBGYN (Obstetrics & Gynecology)

Detrusor instability is the likely diagnosis when there is no neurological cause for involuntary bladder contractions. When the condition is successfully treated, symptoms normally disappear. Reasons for detrusor instability include:

• Poor voiding habits (not voiding completely - this leaves the bladder
  always somewhat full and creates the sensation of constantly needing to

• Infection of the urethra and/or bladder (urethritis and/or cystitis)

• Bladder hypersensivity (interstitial cystitis - this is associated with pain,
  frequency, and blood in the urine)

• Chemical irritants (caffeine, artificial sweeteners, alcoholic beverages)

• Obstruction of the urethra (from a growth such as a polyp in the bladder
  or from a kidney stone trying to pass)

• Bladder cancer (rare, frequently associated with bloody urine)

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.