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Common causes of incontinence

Incontinence is a common condition that affects people of all ages and backgrounds. It can involve the unintentional leakage of urine or faeces due to a loss of bladder or bowel control. It may be caused by a wide range of physical, neurological, and lifestyle-related factors. In this page, we will cover the different types of urinary incontinence (UI), their common causes, and how they affect both men and women.

What is incontinence?

Incontinence refers to the loss of bladder or bowel control, leading to leaking of urine or faeces. It can be temporary or chronic and varies in severity from person to person. Some people experience occasional leaks, while others may have ongoing difficulty controlling urination. Some types of incontinence, especially those linked to lifestyle factors can often be treated with adjustments to daily routines and behaviours.

If you are experiencing urinary incontinence, you are not alone. It is estimated that three million people experience urinary incontinence in the UK alone.1

Note to readers: According to research from AgeUK, the word “pee” is generally preferred, so we’ve used it consistently throughout this page.

Common causes of urinary incontinence

Urinary incontinence occurs when the muscles and nerves involved in bladder control do not function properly. This can happen when people have:

Pelvic floor muscles help control urination, so when they weaken, leaks can occur. There are several reasons why pelvic floor muscles can become weak, such as surgery or injury to the pelvic area, pregnancy/childbirth and age-related muscle loss/weakening.

Detecting pelvic floor weakness early can help reduce symptoms. Pelvic floor (Kegel) exercises strengthen these muscles and, in turn, can improve bladder control. At CliniMed, we have developed pelvic floor exercise guides specifically for men and women with the help of expert Physiotherapists, Natalia Vasquez and Gerard Greene.

Types of urinary incontinence and their causes

Incontinence can present in several ways. There are six main types, and some people may experience more than one.

Urge incontinence

Urge incontinence (or urgency incontinence) is typically caused by the detrusor muscles (muscles within the wall of the bladder that help store urine) contracting too frequently causing the need to pee more often leading to leaks and accidents. Urge incontinence often goes hand in hand with Overactive Bladder (OAB) as overactive bladder causes the urge to pee.

Stress incontinence

The main cause of stress incontinence is age-related physiological changes and weakening or dysfunction of the pelvic floor muscles. Other risk factors are pregnancy and childbirth, menopause, obesity and some lifestyle factors.

Overflow incontinence

Overflow incontinence (or chronic urinary retention) can be caused by a blockage in the bladder, such as an enlarged prostate or bladder stones, or by the detrusor muscles not contracting as much as they should be.

Total incontinence

Total incontinence (or complete incontinence) is usually caused by congenital birth defects, spinal cord injuries or a bladder fistula (a hole or tunnel that forms between your bladder and another organ, causing it to leak pee where it shouldn’t).

Functional incontinence

Functional incontinence is caused by physically not being able to get to the toilet in time. This could be due to mobility issues, cognitive impairments, dexterity issues, or it could be because a carer is needed to assist with getting to the toilet.

Mixed urinary incontinence

Mixed urinary incontinence is when you experience symptoms of stress and urge incontinence. This can be caused by a variety of reasons, such as weakened pelvic floor muscles, pregnancy or childbirth.

Causes of incontinence in women

Women are more likely to experience incontinence than men, with figures stating that 50% of women will experience incontinence at some point in their lives.2

Weakening of the pelvic floor muscles is a common cause of incontinence, often resulting from biological and hormonal factors such as:

Childbirth

Pregnancy

Menopause

Conditions linked to incontinence specifically in women are Fowler’s Syndrome and endometriosis.

Causes of incontinence in men

Incontinence in men is often driven by biological or medical factors, particularly those affecting the prostate. Common causes include:

Enlarged prostate (Also called Benign Prostatic Hyperplasia, or BPH)

Bladder cancer and prostate cancer – with prostate cancer affecting 1 in 8 men in the UK3

Prostate cancer treatment, specifically radiotherapy

Prostate surgery, specifically removal of the prostate (radical prostatectomy)

Men can also experience incontinence as a result of nerve damage from conditions like MS and Parkinson’s disease.

Causes of incontinence in older adults

Ageing does increase the likelihood of incontinence but it isn’t an inevitable part of getting older. Many elderly people will not suffer incontinence at all. Incontinence is however linked with age due to the natural reduction in bladder capacity, mobility and dexterity.

Conditions that are more common in older adults, such as dementia are linked with incontinence because of the cognitive decline. Incontinence can also occur as a result of taking multiple medications (polypharmacy) which is more common in older adults.

Temporary and lifestyle-related causes of incontinence

Some people with incontinence may only experience it temporarily and manage to become continent again with changes to their lifestyle. Things that can cause short-term incontinence are:

Urinary Tract Infections (UTIs)

Constipation

Certain medications, such as sedatives (prescription drugs used to slow down brain activity) and diuretics (medicine used to help your kidneys remove excess water and salt)

Drug abuse e.g. Ketamine

Being overweight

Photo of a family walking together through a field holding hands.

When to seek medical help

Incontinence should always be discussed with a healthcare professional, especially if symptoms are sudden, worsening, or affecting daily life.

There are many ways in which you can manage incontinence discreetly and independently. Your healthcare professional can highlight available management and treatment methods, such as catheters, urinary sheaths and incontinence pads.

People with incontinence can feel embarrassed about seeking help, but you shouldn’t – it’s your first step to regaining control. It’s important to detect and diagnose incontinence early so you can understand the cause and prevent your symptoms from getting worse.

With the right support, most people can manage their incontinence effectively. Simple lifestyle changes, regular pelvic floor exercises, and a continence product that fits your needs can make a huge difference.

Key Takeaways

Incontinence is the loss of bladder or bowel control, affecting millions in the UK.
Causes include weak pelvic floor muscles, nerve damage, bladder or prostate issues.
Six main types: urge, stress, overflow, total, functional, and mixed incontinence.
Women can become incontinent due to childbirth, pregnancy, and menopause. Men can become incontinent due to prostate problems. Age, UTIs, constipation and certain medications can also contribute.
Seek medical advice early; management options include lifestyle changes, pelvic floor exercises, and continence products.

References

  1. Age UK, Urinary Incontinence [website] https://www.ageuk.org.uk/information-advice/health-wellbeing/conditions-illnesses/urinary-incontinence/ (Accessed 7 January 2026)
  2. Incontinence UK, How Incontinence Affects Men and Women Differently [website] https://www.incontinenceuk.co.uk/news/how-incontinence-affects-men-and-women-differently (Accessed 7 January 2025)
  3. PHS Group, Over Half of UK Men Experience Urinary Male Incontinence [website] https://www.phs.co.uk/resources/over-half-of-uk-men-experience-urinary-incontinence/ (Accessed 9 January 2025)

Frequently asked questions

Yes, Parkinson’s disease can cause urinary incontinence. Parkinson’s disease affects the normal functioning of brain signals and can cause dexterity and mobility issues, all increasing the likelihood of incontinence.

Support and resources

Find lots of helpful tips for living with incontinence in our resource library.

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