Overactive Bladder Signs and Symptoms

Last updated: 18 October 2023

Introduction

  • Also known as bladder spasms, suggestive of underlying detrusor overactivity (phasic increases in detrusor pressure)
  • Incidence increases with age and more commonly affects women

Definition

  • Defined by the International Continence Society as a syndrome characterized by urinary urgency with or without urgency incontinence, frequency and nocturia, in the absence of a causative infection or pathologic condition

Signs and Symptoms

  • Urinary urgency
    • Complaint of sudden, compelling desire to pass urine which is difficult to defer
    • Considered as the hallmark of overactive bladder (OAB)
    • Number of voids and number of incontinence episodes are used to measure treatment responses
  • Urinary frequency
    • Measured using a voiding diary
    • Number of voiding may vary based on hours of sleep, fluid intake, comorbid medical conditions and other relevant factors
  • Nocturia
    • Complaint of interruption of sleep due to the need to void
  • Urgency incontinence
    • Involuntary leakage of urine, associated with sudden compelling desire to void
    • Measured using a diary and by the quantity of urine leakage using pad tests

Risk Factors

  • ≥40 years old
  • Obesity
  • Previous pelvic and prostate surgery
  • Neurological conditions  (eg diabetic neuropathy, stroke, spinal cord injury, dementia, Parkinson’s disease, multiple sclerosis)