Fecal Incontinence
Loss of bowel control — embarrassing but common, especially after childbirth or with age. Many effective treatments exist; please don't suffer in silence.
Category
Common
Red flags
2
This article is educational and does not replace your doctor's advice. Seek urgent care for any red-flag symptoms.
What is it?
Fecal incontinence is the unintentional passage of stool. It can range from leaking small amounts of liquid stool to complete loss of solid stool control. Many people are too embarrassed to discuss it — but it affects 1 in 10 adults at some point and is highly treatable.
How common is it?
At least 10-15% of adults — vastly under-reported. Risk increases with age (40% over 80), childbirth (especially with tearing), diabetes, and bowel surgery.
Why does it happen?
Multiple causes often coexist: weak anal sphincter (childbirth, surgery), nerve damage (diabetes, multiple sclerosis, spinal injury), severe diarrhea (overwhelms even normal continence), severe constipation with overflow, rectal prolapse, IBD, or radiation injury.
Symptoms
- Urgency — needing to go RIGHT NOW with little warning
- Inability to delay defecation
- Leakage of liquid or solid stool
- Soiling of underwear
- Sometimes patients aren't even aware until they discover the leak
Red flags — seek urgent medical care
New incontinence with neurological symptoms (numbness, weakness)
Could indicate spinal cord problem — needs urgent neurological assessment.
Incontinence with rectal bleeding
Investigate for rectal cancer.
How is it diagnosed?
Detailed history (often a bowel diary), digital rectal exam, anorectal manometry, endoanal ultrasound (to check sphincter integrity), defecography. Blood tests for diabetes/thyroid. Colonoscopy if bleeding or change in bowel habits.
Outlook — what to expect
Most patients improve substantially. About 60-80% achieve good control with conservative measures. Sacral nerve stimulation and surgery help additional patients. Quality of life often improves dramatically.
Treatment
Habits & Lifestyle
Bowel habits and pelvic floor exercises are the foundation.
- Establish regular bowel routine — try after breakfast, take 15-30 minutes.
- Pelvic floor (Kegel) exercises — 3 sets of 10 daily; commit to 12 weeks before judging.
- Manage diarrhea aggressively — even mild liquid stool overwhelms continence.
- Avoid constipation that leads to overflow.
- Use the bathroom on a regular schedule even without urge.
Diet
Diet stabilizes stool consistency.
- Soluble fiber (psyllium 5-10 g daily) thickens loose stool.
- Identify and limit trigger foods (caffeine, spicy, fatty, lactose if intolerant).
- Drink fluids between meals, not large amounts with meals.
Medications
Medications target stool consistency.
- Loperamide — first-line for liquid stool incontinence; improves consistency and slows transit.
- Treat underlying conditions: PEG for constipation, mesalamine for UC.
- Bile acid binders (cholestyramine) for bile acid diarrhea (after gallbladder removal or ileal resection).
Procedures & Surgery
Multiple procedures available for refractory cases.
- Biofeedback therapy — strengthens and coordinates pelvic floor muscles. 60-80% improve.
- Sacral nerve stimulation (SNS) — implanted "pacemaker" for the bowel; very effective for refractory cases.
- Sphincteroplasty — surgical repair of damaged sphincter (e.g. obstetric injury).
- Anal bulking agents (injection of biocompatible material).
- Colostomy — last resort but transformative for some.
Living with the condition
- You are not alone — millions have this. Talking to your doctor is the hardest step.
- Continence products (pads, plugs) help while you work on the underlying cause.
- Plan ahead when traveling — know bathroom locations.
Questions to ask your doctor
Save this list or print it before your appointment — doctors appreciate prepared patients.
- Could biofeedback therapy help me?
- Am I a candidate for sacral nerve stimulation?
- Should I have anorectal manometry and ultrasound?
Medically reviewed by: SGA Patient Education Panel · Last reviewed 24/04/2026