What is Adult Incontinence?
Adult incontinence is the involuntary loss of urine (urinary incontinence) or feces (fecal incontinence) that occurs in people 18 years of age or older. It is a common, yet often under‑discussed, problem that can affect quality of life, emotional wellbeing, and social participation. Incontinence can be temporary or chronic, and it may range from occasional dribbles to a complete loss of bladder or bowel control.
According to the National Institutes of Health (NIH), up to 30 % of adults experience urinary incontinence at some point, and prevalence rises sharply after age 60. Fecal incontinence is less common but still affects roughly 7‑10 % of community‑dwelling adults, with higher rates in older populations.
Common Causes
Many different medical, neurological, and lifestyle factors can contribute to adult incontinence. Below are the most frequently encountered causes.
- Stress urinary incontinence (SUI): Leakage when coughing, sneezing, lifting, or exercising due to weakened pelvic floor muscles.
- Urge urinary incontinence (UUI) / Overactive bladder: Sudden, intense urge to urinate followed by leakage.
- Mixed incontinence: Combination of stress and urge symptoms.
- Neurological disorders: Multiple sclerosis, Parkinson’s disease, stroke, spinal cord injury, or peripheral neuropathy can impair the nerves that control bladder and bowel function.
- Prostate problems (in men): Benign prostatic hyperplasia (BPH), prostatitis, or post‑prostate‑surgery changes.
- Pelvic organ prolapse (in women): Descent of the bladder, uterus, or rectum that alters normal pressure dynamics.
- Medications: Diuretics, anticholinergics, alpha‑blockers, certain antidepressants, and muscle relaxants can affect bladder storage or sphincter tone.
- Chronic constipation: Persistent straining can weaken pelvic muscles and predispose to both urinary and fecal leakage.
- Infections & inflammation: Urinary tract infections (UTIs), interstitial cystitis, or inflammatory bowel disease (IBD) can irritate the bladder or rectum.
- Obesity: Excess abdominal pressure places stress on the pelvic floor and bladder neck.
Associated Symptoms
Incontinence is often accompanied by other signs that can help pinpoint the underlying cause.
- Frequent urination (≥8 times/day) or nocturia (waking up ≥2 times/night)
- Sudden, strong urge to urinate that is hard to defer
- Painful or burning sensation during urination (dysuria)
- Blood in the urine (hematuria)
- Lower abdominal or pelvic pressure/pain
- Feeling of incomplete bladder emptying
- Rectal urgency, leakage of stool, or gas (fecal incontinence)
- Skin irritation or breakdown around the perineum
- Difficulty starting urine stream or a weak stream (possible obstruction)
- Recurrent urinary tract infections
When to See a Doctor
While occasional “leakage” after a cough may be benign, you should schedule a medical evaluation if any of the following occur:
- Leakage several times a week or that interferes with daily activities
- Sudden change in pattern—especially new onset after age 40
- Associated pain, burning, or blood in urine or stool
- Fever, chills, or flu‑like symptoms (possible infection)
- Difficulty emptying the bladder completely
- Loss of bowel control or sudden stool leakage
- Regular use of incontinence pads or diapers
- Any symptom that causes embarrassment, anxiety, or social withdrawal
Early evaluation helps identify reversible causes and prevents complications such as skin breakdown, urinary tract infections, or kidney damage.
Diagnosis
Evaluation typically follows a stepwise approach, beginning with a detailed history and physical exam.
1. Medical History
- Onset, frequency, amount, and triggers of leakage
- Fluid intake, caffeine/alcohol use, and bowel habits
- Medication list (including over‑the‑counter and supplements)
- Past surgeries, pregnancies, and obstetric history (for women)
- Neurologic conditions, diabetes, or chronic illnesses
2. Physical Examination
- Inspection of abdomen, pelvis, and perineum
- Pelvic exam (women) or digital rectal exam (men) to assess muscle tone, prolapse, or prostate size
- Neurologic assessment of sensation and reflexes in the sacral area
3. Basic Tests
- Urinalysis & urine culture – to rule out infection or hematuria
- Post‑void residual (PVR) measurement via bladder ultrasound – assesses incomplete emptying
4. Specialized Studies (when indicated)
- Urodynamic testing: Measures bladder pressure, capacity, and sphincter function.
- Cystoscopy: Endoscopic view of the bladder interior for structural lesions.
- Pelvic floor muscle electrophysiology (EMG): Evaluates nerve and muscle activity.
- Colonoscopy or sigmoidoscopy: If fecal incontinence is prominent and GI disease suspected.
Treatment Options
Therapy is individualized based on the type and severity of incontinence, underlying cause, and patient preferences. Most treatment plans combine lifestyle changes, pelvic‑floor rehabilitation, medication, and, when necessary, surgical interventions.
1. Lifestyle & Behavioral Strategies
- Fluid management: Aim for 1.5–2 L/day, limit caffeine and alcohol, and avoid excessive fluid intake before bedtime.
- Timed voiding / bladder training: Re‑schedule bathroom trips every 2–4 hours, gradually lengthening intervals.
- Weight loss: Reducing BMI by 5–10 % can decrease stress incontinence incidents (Mayo Clinic).
- Dietary fiber: 25–30 g/day helps prevent constipation that aggravates both urinary and fecal leakage.
2. Pelvic Floor Muscle Training (PFMT)
Also known as Kegel exercises, PFMT strengthens the levator ani and urethral sphincter. A typical regimen involves contracting the muscles for 5 seconds, relaxing for 5 seconds, and repeating 10–15 times, three times a day. Supervised physical therapy improves adherence and outcomes (Cleveland Clinic).
3. Medications
- Anticholinergics (e.g., oxybutynin, solifenacin): Reduce involuntary bladder contractions in urge incontinence.
- Beta‑3 agonists (mirabegron): Relax the detrusor muscle without the dry‑mouth side effect of anticholinergics.
- Topical estrogen (for post‑menopausal women): Improves urethral mucosa and blood flow, helping stress incontinence.
- Alpha‑blockers (tamsulosin) or 5‑alpha‑reductase inhibitors (finasteride) for men: Relieve BPH‑related obstruction.
- Bulking agents (e.g., collagen, carbon‑coated beads): Injected peri‑urethrally to improve closure pressure in selected cases.
4. Medical Devices
- Pessary (women): Silicone or plastic support placed in the vagina to reduce urethral descent.
- Urethral sling or artificial urinary sphincter (men): Surgical implants that provide external support or mechanical closure.
5. Surgical Options
- Sling procedures (mid‑urethral sling, pubovaginal sling): Gold‑standard for moderate‑to‑severe stress incontinence in women.
- Colposuspension (Burch or Marshall‑Malone): Elevates the bladder neck and urethra.
- Anterior repair (for pelvic organ prolapse): Restores normal anatomy.
- Fecal incontinence surgery: Includes sphincteroplasty, sacral nerve stimulation, or graciloplasty for refractory cases.
6. Home & Over‑the‑Counter Aids
- Absorbent pads, protective underwear, or waterproof mattress covers
- Skin barrier creams (zinc oxide, petrolatum) to prevent dermatitis
- Portable urinals or bedside commodes for nighttime leaks
Prevention Tips
While not all cases are preventable, several proactive measures can lessen the risk or severity of adult incontinence.
- Maintain a healthy weight: Every 5 lb of excess weight adds roughly 1 psi of pressure on the bladder.
- Stay active: Regular aerobic exercise and strength training keep pelvic floor muscles functional.
- Practice good bowel habits: Respond to the urge to defecate promptly; use stool softeners if chronic constipation is an issue.
- Quit smoking: Smoking irritates the bladder and increases coughing, both of which exacerbate stress leaks.
- Limit bladder irritants: Reduce caffeine, carbonated drinks, acidic juices, and artificial sweeteners.
- Regular pelvic floor assessments: Women, especially after childbirth or menopause, benefit from periodic PFMT evaluations.
- Medication review: Discuss with a pharmacist or physician any drugs that may affect bladder control.
Emergency Warning Signs
If you experience any of the following, seek immediate medical attention (emergency department or urgent care):
- Sudden inability to urinate (urinary retention) accompanied by severe pain or bladder distention
- Fever > 100.4 °F (38 °C) with new‑onset incontinence – possible severe infection
- Visible blood clots in urine or stool, or a sudden large amount of blood
- Loss of consciousness, dizziness, or fainting during a leak episode
- Severe lower abdominal or pelvic pain that does not resolve within a few hours
- Rapid, uncontrolled leakage after a spinal injury or head trauma
Prompt evaluation can prevent complications such as kidney damage, severe infection, or permanent sphincter injury.
**References**
- Mayo Clinic. “Stress incontinence.” https://www.mayoclinic.org
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). “Urinary Incontinence in Women.” https://www.niddk.nih.gov
- Cleveland Clinic. “Pelvic Floor Physical Therapy.” https://my.clevelandclinic.org
- World Health Organization. “Recommendations on the Management of Incontinence.” 2021 guideline. https://www.who.int
- U.S. Centers for Disease Control and Prevention. “Urinary Incontinence.” https://www.cdc.gov
- American Urological Association. “Guideline for the Management of Overactive Bladder.” 2023.