Unintentional Urination: Medical and Psychological Causes

Persistent desire to urinate involuntarily or actual involuntary urination (enuresis/incontinence) is not typical and warrants medical evaluation.

Medical Causes

• Urge incontinence/overactive bladder: Detrusor overactivity → sudden urgency, frequency, nocturia.
• Stress incontinence: Urethral sphincter weakness → leakage with cough, sneeze, exertion.
• Overflow incontinence: Bladder outlet obstruction (BPH, stricture) or detrusor underactivity → chronic retention + dribbling.
• Neurogenic bladder: Spinal cord injury, MS, stroke, diabetic neuropathy, Parkinson's.
• UTI, bladder stones, tumors: Irritative symptoms.
• Medications: Diuretics, anticholinergics, alpha-blockers, sedatives.

Psychological/Behavioral Factors

• Functional incontinence: Physical/cognitive barriers to toileting (dementia, mobility impairment).
• Psychogenic urinary retention/incontinence: Conversion disorder, severe anxiety, trauma.
• Paraphilic infantilism/diaper fetishism: Rare; sexual arousal from role-play.
• Factitious disorder: Intentional symptom production for patient role.

Pediatric Context

• Primary nocturnal enuresis: Never achieved nighttime dryness (genetic, maturational, ADH, arousal).
• Secondary enuresis: Relapse after 6+ months dry (stress, UTI, diabetes, OSA, abuse).

Evaluation and Management

1. History: timing, volume, triggers, fluid intake, medications, psychosocial.
2. Physical: abdominal, neurologic, pelvic/rectal exam.
3. Urinalysis, culture, PVR (post-void residual).
4. Urodynamics if complex.
5. Treatment: behavioral (bladder training, pelvic floor PT), pharmacologic (anticholinergics, β3-agonists, topical estrogen), devices, surgery, psychological referral as indicated.

Consult a urologist, urogynecologist, or primary care provider. Most causes are treatable; incontinence is not an inevitable part of aging.