Therapy
Urinary Catheterisation
A urinary catheter is a thin tube passed into the bladder to drain urine when someone cannot pass it normally.
Quick answer
Urinary Catheterisation: what it is, why it's done and what happens
A urinary catheter is a soft tube inserted into the bladder, usually through the urethra, to drain urine into a bag. It can be left in place or used intermittently to empty the bladder as needed.
- Why it is done: It is used when someone cannot empty their bladder (retention), during and after some operations, to monitor urine output in serious illness, or to manage certain long-term bladder problems.
- What happens: After cleaning, the lubricated catheter is gently passed into the bladder; a small balloon holds an indwelling catheter in place.
What it is
A urinary catheter is a soft tube inserted into the bladder, usually through the urethra, to drain urine into a bag. It can be left in place or used intermittently to empty the bladder as needed.
Why it is done
It is used when someone cannot empty their bladder (retention), during and after some operations, to monitor urine output in serious illness, or to manage certain long-term bladder problems.
What happens
After cleaning, the lubricated catheter is gently passed into the bladder; a small balloon holds an indwelling catheter in place. It is usually done by a nurse or doctor and can cause brief discomfort.
Recovery
Indwelling catheters need care to prevent infection and blockage and are removed when no longer needed. Some people are taught to pass a catheter themselves intermittently as part of managing their bladder.
Good to know
Risks and things to consider
The main risk is urinary infection, which becomes more likely the longer a catheter stays in. Other issues include blockage, bladder spasms, leakage and, rarely, injury to the urethra.
Education and reference only. This explains the procedure in general terms and is not medical advice. Your own care, risks and recovery will be explained by the team looking after you.
Answers
Urinary Catheterisation: frequently asked questions
Are urinary catheters uncomfortable?
There is usually brief discomfort during insertion, and some people feel an urge to pass urine or mild irritation while it is in. Most people get used to it, and problems can be discussed with the nursing team.
How is catheter infection prevented?
Good hygiene, keeping the system closed and draining freely, adequate fluids, and removing the catheter as soon as it is no longer needed all help reduce the risk of urinary infection.
Related
Other therapy
Sources
Where this is drawn from
- NHS — Tests and treatments
- NICE — procedure and treatment guidance
- Relevant Royal College / professional body
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