Urinary Incontinence: Types, Causes & Treatment

What Is Urinary Incontinence?

Urinary incontinence is the involuntary loss of bladder control, resulting in unintended urine leakage. It affects an estimated 25 to 33 percent of Americans, yet most people suffer in silence for years before seeking help. Incontinence is not a disease in itself but a symptom, one that can signal anything from weakened pelvic muscles to nerve damage to hormonal shifts. It affects men and women of all ages, though prevalence rises significantly with age, and it touches far more than physical comfort. Loss of bladder control can quietly erode confidence, limit social activity, disrupt sleep, and strain relationships.

If you are experiencing any form of incontinence, you are not alone, and effective, compassionate care is available.

How the bladder works

The bladder is a hollow, muscular organ that stores urine produced by the kidneys. As it fills, stretch receptors in the bladder wall send signals to the brain, creating the urge to urinate. When you are ready to void, the brain signals the detrusor muscle (the bladder wall) to contract while the urethral sphincter relaxes, allowing urine to flow out. Healthy bladder control depends on coordinated communication between the brain, spinal cord, pelvic nerves, and the muscles of the pelvic floor. When any part of that system is disrupted, incontinence can result.

Types of Urinary Incontinence

Incontinence is not one condition. Understanding which type you have is the first step toward effective treatment. The major types include:

• Stress incontinence: Urine leaks when physical pressure is placed on the bladder, such as during coughing, sneezing, laughing, or exercise.

• Urge incontinence (overactive bladder): A sudden, intense urge to urinate that is difficult to defer, often resulting in leakage before reaching the bathroom.

• Overflow incontinence: The bladder does not empty completely, so it overflows and leaks. This is more common in men with prostate issues and in people with nerve damage or diabetes.

• Functional incontinence: The bladder itself works normally, but a physical or cognitive impairment, such as arthritis, mobility limitations, or dementia, prevents a person from reaching the toilet in time.

• Mixed incontinence: A combination of two or more types, most often stress and urge incontinence occurring together.

• Bowel incontinence: While distinct from urinary incontinence, the inability to control bowel movements often coexists with urinary symptoms and shares some of the same pelvic floor risk factors.

Causes and Risk Factors for Incontinence

Incontinence rarely has a single cause. Most cases involve a combination of anatomical, hormonal, neurological, and lifestyle factors. Understanding your personal risk profile helps guide the most effective treatment plan.

Common causes

• Childbirth: Vaginal delivery can stretch and weaken the pelvic floor muscles and damage the nerves that control the bladder, increasing the risk of both stress and urge incontinence.

• Menopause: Declining estrogen levels thin the lining of the urethra and bladder, reducing their ability to seal properly and contributing to leakage.

• Prostate issues: In men, an enlarged prostate (benign prostatic hyperplasia) can obstruct urine flow and cause overflow incontinence, while prostate surgery can affect the urethral sphincter, leading to stress incontinence.

• Neurological conditions: Multiple sclerosis, Parkinson’s disease, stroke, and spinal cord injuries can all disrupt the nerve signals that coordinate bladder function.

• Urinary tract infections (UTIs): Bladder infections temporarily irritate the bladder wall, causing urgency and sometimes leakage that resolves once the infection is treated.

• Pelvic organ prolapse: When the bladder, uterus, or rectum shifts out of position, it can alter bladder function and contribute to leakage.

• Medications: Diuretics, sedatives, alpha blockers, and some blood pressure medications can affect bladder control as a side effect.

• Constipation: A full rectum puts pressure on the bladder and can worsen urgency and frequency.

Risk factors by incontinence type

Some risk factors are shared across all types of incontinence, while others are more specific:

• Age: The muscles and tissues that support the bladder naturally weaken over time. Older adults are significantly more likely to experience incontinence, though it is never a normal or inevitable part of aging. Age-related changes in bladder capacity, detrusor muscle function, and hormonal levels all contribute to increased risk.

• Obesity: Excess body weight places sustained pressure on the bladder and pelvic floor, making stress incontinence more likely and harder to manage without weight reduction.

• Smoking: Chronic coughing from smoking repeatedly stresses the pelvic floor, and nicotine itself may irritate the bladder wall.

• High-impact exercise: Repeated high-impact activity without adequate pelvic floor conditioning can contribute to stress incontinence, particularly in women.

• Diabetes: High blood sugar can damage the nerves that control the bladder and increase urine production, raising the risk of both urge and overflow incontinence.

• Caffeine and alcohol: Both act as diuretic bladder irritants that can worsen urgency and frequency in people with overactive bladder.

• Fluid intake patterns: Drinking too little concentrates urine and irritates the bladder; drinking too much overwhelms it. Both extremes can worsen symptoms.

Stress Incontinence: A Common Concern

Urge Incontinence and Overactive Bladder (OAB)

Overflow and Functional Incontinence

Overflow incontinence

Overflow incontinence occurs when the bladder cannot empty fully, causing it to fill beyond capacity and leak. Rather than a sudden urge, patients typically notice a constant dribble of urine or a weak, interrupted stream. Common causes include an enlarged prostate obstructing the urethra, nerve damage from diabetes or a spinal cord injury, and certain medications that reduce bladder muscle contractility. A catheter may be used temporarily to drain the bladder and relieve pressure while addressing the underlying cause. Long-term management depends on the root cause and may include medications, catheterization, or surgery.

Functional incontinence

Functional incontinence describes a situation in which the urinary system is working normally, but a separate physical or cognitive barrier prevents timely toileting. Severe arthritis that makes it difficult to unfasten clothing, mobility limitations that slow movement to the bathroom, or cognitive conditions such as dementia that impair awareness of the urge to void can all lead to functional incontinence. Management focuses on removing barriers: scheduled bathroom trips, adaptive clothing, and environmental modifications such as bedside commodes or grab bars. Absorbent products and incontinence products can provide dignity and protection while longer-term strategies are implemented.

Mixed Incontinence: Managing Combined Symptoms

Mixed incontinence, the simultaneous presence of both stress and urge incontinence, is the most common form of incontinence in women over 50. Patients leak during physical exertion and in response to sudden urgency, which can make daily life feel unpredictable and exhausting. Research suggests that mixed incontinence affects up to 30 percent of women with incontinence, and it is frequently underdiagnosed because patients and providers may focus on the more prominent symptom while the second type goes unaddressed.

Diagnosing mixed incontinence requires careful evaluation to determine which component, stress or urge, is dominant and contributing most to a patient’s quality of life impairment. At Tower Urology, our diagnostic process combines a thorough medical history, a structured bladder diary, physical examination, and urodynamic testing to characterize both components precisely. This matters because treatment sequencing affects outcomes: addressing the wrong component first can leave patients with persistent symptoms and erode confidence in treatment.

Our approach to mixed incontinence is individualized and stepwise. We typically begin with the least invasive interventions that address both components simultaneously, such as pelvic floor physical therapy combined with bladder training and timed voiding. If the urge component is dominant, we may add anticholinergic medications or beta-3 agonists before considering procedural options. If stress incontinence is the primary driver, Bulkamid injections offer a minimally invasive first procedural step with no downtime, while a sling procedure may be recommended for more significant stress leakage. When both components remain symptomatic after conservative care, sacral neuromodulation is a particularly valuable option because it addresses urgency and frequency while also improving overall pelvic floor coordination. Our FPMRS-trained specialists work with each patient to build a treatment plan that reflects their symptom profile, lifestyle, and goals, not a one-size-fits-all protocol.

Incontinence and Skin Care

Prolonged skin contact with urine can cause significant irritation, breakdown, and infection, a complication that is often overlooked but deeply affects comfort and quality of life. Urine is acidic and contains ammonia, which strips the skin’s natural protective barrier over time. Patients managing incontinence with absorbent products should take the following protective steps:

• Change absorbent pads or briefs promptly after each leakage episode to minimize skin exposure.

• Cleanse the affected skin gently with a pH-balanced, fragrance-free cleanser rather than standard soap, which can further disrupt the skin barrier.

• Apply a moisture barrier cream or ointment to protect skin between changes.

• Let the skin air-dry briefly before applying a new pad or garment.

• Avoid tight-fitting incontinence products that trap heat and moisture against the skin.

• Inspect the skin regularly for redness, rash, or open areas, and promptly report any skin breakdown to your care team.

Choosing the right incontinence products matters too. Modern absorbent products are designed to wick moisture away from the skin, and selecting the correct absorbency level for your leakage volume reduces both skin irritation and the social anxiety associated with product failure. Our team can help guide product selection as part of a comprehensive management plan.

When to See a Doctor About Incontinence

Many people wait years before discussing incontinence with a healthcare provider, often because they feel embarrassed or assume it is an inevitable part of aging. It is not. Incontinence is a medical condition with effective treatments, and the sooner you get evaluated, the more options you have.

You should schedule an appointment promptly if you notice any of the following warning signs:

• Blood in your urine (hematuria), even once, which can indicate a bladder infection, kidney stones, or, rarely, bladder cancer.

• Pain or burning during urination, which may signal a urinary tract infection or urethral irritation requiring treatment.

• Eight or more bathroom trips per day, or waking more than twice per night to urinate, which significantly disrupts sleep and daily function.

• Sudden onset of incontinence with no obvious cause, particularly after a fall, back injury, or new medication.

• Inability to urinate at all, or a very weak stream with straining, which may indicate urinary retention requiring urgent evaluation.

• Leakage that is worsening despite lifestyle changes or over-the-counter incontinence products.

• Incontinence accompanied by pelvic pressure, bulging, or back pain, which may suggest pelvic organ prolapse or a structural issue.

• Any incontinence that affects your quality of life, your willingness to socialize, exercise, travel, or be intimate with a partner.

You don’t need to reach a certain severity before seeking care. If incontinence is bothering you, that is reason enough to be evaluated. Early intervention consistently leads to better outcomes.

Why Choose Tower Urology in Los Angeles for Incontinence Care

Tower Urology combines cutting-edge techniques with compassionate, patient-centered care. Whether you need conservative therapy, advanced diagnostics, or surgical intervention, our team specializes in accurately diagnosing complex urinary conditions, including stress incontinence, OAB, overflow incontinence, and voiding dysfunction. We offer state-of-the-art treatments, including urodynamic testing, the bladder diary diagnostic process, Bulkamid injections, sacral neuromodulation, and minimally invasive procedures, to help reduce leakage and urinary urgency and improve your quality of life.

Our patients describe the difference that personalized, expert care makes. Annie came to us after years of managing stress incontinence on her own and found that a targeted treatment plan finally gave her the freedom she had been missing. Chelsea appreciated that our team took the time to listen and explain every option before recommending a path forward. Barbara, who had tried multiple treatments elsewhere without lasting relief, found that sacral neuromodulation at Tower Urology provided the long-term control she had been searching for. For patients who have experienced incontinence following prostate treatment, our team also offers specialized post-prostatectomy incontinence care, and you can learn more in our dedicated blog resources.

Tower Urology’s advantage lies in our unwavering commitment to providing world-class urologic care through advanced technology, personalized treatment plans, and a patient-centered approach. We deliver superior outcomes that distinguish us as leaders in urologic health, and we are proud to be a safe space where patients can address sensitive symptoms without embarrassment or judgment.

Tower Urology is a proud affiliate of Cedars-Sinai Medical Center, ranked #1 in California and #2 nationwide by U.S. News & World Report. This partnership reflects our dedication to delivering the highest standard of urologic care alongside the best urologists in Los Angeles. Our years of experience and access to Cedars-Sinai’s world-class facilities ensure our exceptional, innovative urologic care positions Tower Urology as a leader in Southern California.

We invite you to establish a care plan with Tower Urology.

Tower Urology is conveniently located for patients throughout Southern California and the Los Angeles area, including Beverly Hills, Santa Monica, West Los Angeles, West Hollywood, Culver City, Hollywood, Venice, Marina del Rey, and Downtown Los Angeles.

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