Urinary Catheter: Types, Insertion & Complete Care Guide

Medically reviewed | Last reviewed: | Evidence level: 1A
A urinary catheter is a thin, flexible tube inserted into the bladder to drain urine when you cannot empty your bladder naturally. There are three main types: intermittent catheters (inserted temporarily several times daily), indwelling Foley catheters (left in place for days to weeks), and suprapubic catheters (inserted through the abdomen). Proper catheter care is essential to prevent infections, which account for approximately 70-80% of hospital-acquired urinary tract infections.
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Written and reviewed by iMedic Medical Editorial Team | Specialists in Urology

📊 Quick Facts About Urinary Catheters

Hospital UTIs
70-80%
are catheter-related
Change Frequency
4-12 weeks
for indwelling catheters
Catheter Sizes
12-18 Fr
typical adult range
Daily Fluid Intake
6-8 glasses
recommended minimum
Bag Emptying
Every 8 hours
or when half full
ICD-10 Code
Z96.0
Urogenital implants

💡 Key Takeaways About Urinary Catheters

  • Three main types exist: Intermittent catheters (temporary), indwelling Foley catheters (days to weeks), and suprapubic catheters (through the abdomen)
  • Hand hygiene is critical: Washing hands before and after touching your catheter is the most important step to prevent infections
  • Keep the bag below bladder level: This allows gravity to help drain urine and prevents backflow
  • Stay hydrated: Drinking 6-8 glasses of water daily helps flush the urinary system and prevents crystalline deposits
  • Know the warning signs: Fever, cloudy urine, foul smell, and pain indicate potential infection requiring immediate medical attention
  • Regular changes prevent complications: Indwelling catheters should be changed every 4-12 weeks depending on the material
  • Showers are safe, baths are not: You can shower with a catheter but should avoid baths and swimming

What Is a Urinary Catheter and Why Is It Used?

A urinary catheter is a thin, flexible tube inserted into the bladder through the urethra or abdomen to drain urine. It is used when you cannot urinate naturally due to surgery, medical conditions, or bladder dysfunction. Catheters may be temporary or remain in place for extended periods depending on your medical needs.

Urinary catheterization is one of the most common medical procedures performed worldwide. The procedure involves inserting a sterile tube into the bladder to provide a pathway for urine to drain from the body. This seemingly simple intervention plays a crucial role in managing numerous medical conditions and supporting recovery from various surgeries and procedures.

The human bladder normally holds approximately 400-600 milliliters of urine, and healthy adults typically urinate 6-8 times per day. When the natural process of urination becomes impaired due to illness, injury, or medical procedures, a catheter provides an alternative drainage pathway that prevents urine from accumulating and causing complications such as bladder distension, kidney damage, or infection.

Healthcare providers may recommend catheterization for both diagnostic and therapeutic purposes. Diagnostically, catheters allow accurate measurement of urine output, collection of sterile urine samples, and assessment of post-void residual volume. Therapeutically, they provide relief from urinary retention, facilitate bladder irrigation, deliver medications directly to the bladder, and support recovery following urological and other surgeries.

Common Reasons for Catheter Use

Understanding why catheters are needed helps patients and caregivers appreciate the importance of proper care. The decision to insert a catheter is never taken lightly, as healthcare providers carefully weigh the benefits against the risks of potential complications, particularly infection.

Medical conditions that often require catheterization include urinary retention (inability to empty the bladder completely), urinary incontinence that cannot be managed by other means, and neurological conditions affecting bladder function such as spinal cord injury, multiple sclerosis, or stroke. Patients undergoing surgery, particularly procedures lasting several hours or those involving the pelvic region, typically require catheterization during and immediately after the operation.

  • Urinary retention: Inability to empty the bladder due to enlarged prostate, nerve damage, medication side effects, or post-surgical swelling
  • Urinary incontinence: Severe cases where other management strategies have proven ineffective
  • Surgical procedures: Operations requiring precise monitoring of urine output or prolonged anesthesia
  • Neurological conditions: Spinal cord injuries, multiple sclerosis, stroke, or other conditions affecting bladder control
  • Critical illness: Intensive care patients requiring accurate fluid balance monitoring
  • Bladder irrigation: Washing out blood clots or delivering medications directly to the bladder
  • Comfort care: End-of-life situations where catheterization improves patient comfort

What Are the Different Types of Urinary Catheters?

The three main types of urinary catheters are intermittent catheters (inserted temporarily to drain the bladder then removed), indwelling Foley catheters (left in place with a balloon preventing slippage), and suprapubic catheters (surgically inserted through the lower abdomen). Each type serves different medical needs and duration requirements.

Selecting the appropriate catheter type depends on several factors including the underlying medical condition, expected duration of use, patient mobility, cognitive function, and individual preference. Healthcare providers consider these factors carefully to choose the option that best balances effectiveness with minimal risk of complications.

Catheter materials have evolved significantly over the decades. Modern catheters are manufactured from latex, silicone, polyvinyl chloride (PVC), or specialty coatings such as hydrogel or silver alloy. Each material offers different advantages in terms of flexibility, biocompatibility, bacterial resistance, and duration of safe use. Patients with latex allergies must use silicone or other non-latex alternatives.

Intermittent Catheters

Intermittent catheterization involves inserting a catheter several times daily to drain the bladder, then promptly removing it after the bladder empties. This technique, often called clean intermittent catheterization (CIC), represents the gold standard for long-term bladder management in many patients because it most closely mimics normal bladder function and carries the lowest infection risk among catheterization methods.

The procedure typically takes only a few minutes once patients become proficient. Most people can learn to perform self-catheterization with proper instruction from healthcare providers. The frequency depends on fluid intake and bladder capacity, but most patients catheterize 4-6 times daily. This approach allows the bladder to fill and empty naturally, maintaining bladder muscle tone and reducing the constant foreign body presence that increases infection risk with indwelling catheters.

Intermittent catheters come in various designs including straight tip catheters for routine use, coudé (curved tip) catheters for men with enlarged prostates, and pre-lubricated or hydrophilic-coated catheters that reduce friction and discomfort during insertion. Compact, discreet designs allow patients to maintain active lifestyles while managing their bladder needs.

Indwelling Foley Catheters

Indwelling catheters, commonly called Foley catheters after their inventor Dr. Frederic Foley, remain in place continuously for days, weeks, or even months. These catheters feature a small inflatable balloon near the tip that, once filled with sterile water after insertion, prevents the catheter from slipping out of the bladder. Urine drains continuously through the catheter into a collection bag.

The Foley catheter system includes the catheter itself, the retention balloon, a drainage tube, and a collection bag. Most patients use a larger bedside drainage bag at night and switch to a smaller leg bag during the day for mobility and discretion. The leg bag straps to the thigh or calf beneath clothing, allowing normal activities while managing bladder drainage.

Healthcare providers recommend changing indwelling catheters regularly to prevent complications. The change frequency depends on the catheter material: latex catheters typically require changing every 2-4 weeks, while silicone catheters can remain in place for up to 12 weeks. However, individual factors such as encrustation tendency, infection history, and urine characteristics may necessitate more frequent changes.

Suprapubic Catheters

Suprapubic catheters provide an alternative drainage route by entering the bladder directly through a small surgical opening (stoma) in the lower abdomen, bypassing the urethra entirely. This approach becomes necessary when urethral catheterization is impossible or contraindicated, such as with urethral strictures, trauma, or certain prostate conditions.

The initial insertion of a suprapubic catheter requires a minor surgical procedure performed under local or general anesthesia. Once the tract matures (typically after 4-6 weeks), catheter changes become straightforward and can often be performed at home by trained patients or caregivers. Many patients who require long-term catheterization prefer suprapubic catheters because they preserve urethral integrity, reduce urethral complications, and may be more comfortable and easier to manage.

Suprapubic catheters require specific stoma care to prevent skin breakdown and infection at the insertion site. The area around the stoma should be cleaned daily and monitored for signs of irritation, redness, or discharge that might indicate infection or other complications.

Comparison of Urinary Catheter Types
Catheter Type Duration Best For Infection Risk
Intermittent Minutes per use Long-term bladder management, neurogenic bladder Lowest
Indwelling (Foley) Days to weeks Post-surgery, acute retention, critical illness Moderate to High
Suprapubic Months to years Urethral obstruction, long-term use, patient preference Moderate

How Is a Urinary Catheter Inserted?

Catheter insertion involves cleaning the genital area with antiseptic, applying numbing gel for comfort, gently inserting the catheter through the urethra until urine flows, then inflating the retention balloon (for indwelling catheters). The procedure takes approximately 5-10 minutes and causes mild discomfort rather than severe pain when performed properly.

Understanding the catheterization procedure helps reduce anxiety and enables better cooperation during insertion. While the thought of having a tube inserted into the bladder understandably causes concern, the actual procedure is relatively straightforward and well-tolerated by most patients when performed by trained healthcare professionals using appropriate techniques.

Proper preparation and sterile technique are essential for safe catheterization. The healthcare provider will position you comfortably, explain each step of the procedure, and take measures to minimize discomfort and maintain dignity throughout the process. The genital area is first cleaned thoroughly with antiseptic solution to reduce the risk of introducing bacteria into the urinary tract.

Preparation and Positioning

Before catheterization, the healthcare provider assembles all necessary equipment including the catheter (appropriately sized for the patient), sterile gloves, antiseptic solution, lubricating gel (usually containing local anesthetic), sterile drapes, and the drainage system. Having everything ready minimizes procedure time and reduces infection risk.

Patient positioning differs based on anatomy. Women typically lie on their back with knees bent and legs apart to allow clear visualization of the urethral opening. Men may lie on their back with legs straight or slightly bent. Proper positioning facilitates easier catheter insertion and reduces the risk of trauma.

The Insertion Process

After thoroughly cleaning the genital area, the healthcare provider applies liberal amounts of lubricating gel containing lidocaine (a local anesthetic) to both the catheter tip and the urethral opening. This serves the dual purpose of reducing friction during insertion and numbing the sensitive urethral tissues to minimize discomfort. The anesthetic typically takes 2-3 minutes to reach full effect.

For men, the procedure involves holding the penis at a 60-90 degree angle to the body to straighten the urethra, then slowly advancing the catheter. The male urethra is approximately 20 centimeters long, so more catheter length must be inserted before reaching the bladder. Some resistance may be encountered at the external sphincter or prostate gland; taking slow, deep breaths helps relax these muscles and facilitates passage.

For women, the shorter urethral length (approximately 4 centimeters) means catheter insertion is generally quicker and easier. The main challenge lies in correctly identifying the urethral opening, which is located between the clitoris and vaginal opening. The healthcare provider may use a bright light to ensure accurate placement.

Successful placement is confirmed when urine begins flowing through the catheter. For indwelling catheters, the retention balloon is then inflated with 10-30 milliliters of sterile water, anchoring the catheter in the bladder. The catheter is then connected to the drainage system and secured to the thigh to prevent tension and accidental dislodgement.

What to Expect During Insertion:

Most patients describe the sensation as pressure or mild discomfort rather than pain. You may feel a brief urge to urinate as the catheter passes through the urethra. After placement, you may initially feel like you need to urinate constantly, but this sensation typically subsides within 15-30 minutes as your bladder adjusts to the catheter's presence.

How Do You Care for a Urinary Catheter at Home?

Daily catheter care involves washing hands before and after touching the catheter, cleaning around the insertion site with soap and water twice daily, keeping the drainage bag below bladder level, emptying the bag when half full, drinking adequate fluids, and monitoring for signs of infection such as fever, cloudy urine, or pain.

Proper catheter care at home is essential for preventing infections and other complications. Catheter-associated urinary tract infections (CAUTIs) represent one of the most common healthcare-associated infections, accounting for approximately 70-80% of hospital-acquired UTIs. Most of these infections can be prevented through diligent adherence to basic hygiene practices.

The cornerstone of catheter care is meticulous hand hygiene. Bacteria from your hands are the primary source of catheter-related infections. You must wash your hands thoroughly with soap and water for at least 20 seconds before and after touching your catheter, drainage system, or the area around the insertion site. If soap and water are unavailable, alcohol-based hand sanitizer provides a reasonable alternative.

Daily Cleaning Routine

Clean the area where the catheter enters your body at least twice daily, typically during your morning and evening hygiene routine. Use mild, unscented soap and warm water. For urethral catheters in men, gently retract the foreskin (if present), clean the tip of the penis, then clean down the length of the catheter moving away from the body. For women, clean from front to back to prevent introducing rectal bacteria into the urinary tract.

After washing, rinse thoroughly and pat dry with a clean towel. Avoid using powders, lotions, or sprays near the catheter insertion site, as these products can irritate the tissues and potentially introduce bacteria. If you have a suprapubic catheter, clean around the stoma site using the same principles, ensuring the area is completely dry before applying any dressings.

Managing the Drainage System

The drainage bag must always remain below the level of your bladder to allow gravity to assist urine flow and prevent urine from flowing back into the bladder. When sitting, the bag should be secured to your lower leg; when lying down, it should hang from the bed frame (never placed on the floor). During the night, use a larger capacity bedside bag to avoid the need for middle-of-the-night emptying.

Empty the drainage bag when it becomes approximately half full, or at least every 8 hours to prevent overfilling and potential backflow. To empty the bag, wash your hands, position a clean container beneath the drainage valve, open the valve without touching the tip, allow the urine to drain completely, close the valve securely, and wash your hands again. Never disconnect the catheter from the drainage tubing, as this breaks the closed system and dramatically increases infection risk.

Staying Hydrated

Adequate fluid intake is crucial for maintaining a healthy urinary system and preventing catheter complications. Unless your healthcare provider has restricted your fluids for medical reasons, aim to drink 6-8 glasses (approximately 1.5-2 liters) of water and other fluids daily. Adequate hydration helps flush bacteria from the urinary system, dilutes urine to reduce irritation, and prevents the formation of crystalline deposits (encrustation) that can block the catheter.

Water is the best choice, but other non-caffeinated, non-alcoholic beverages also contribute to your fluid intake. Some evidence suggests that cranberry products may help prevent UTIs by preventing bacteria from adhering to the bladder wall, though the evidence is not conclusive. Avoid excessive caffeine and alcohol, which can irritate the bladder and increase urine production.

Never Do These Things:

Never disconnect the catheter from the drainage bag unless instructed by your healthcare provider. Never force a catheter that won't insert easily. Never ignore signs of infection. Never allow the drainage bag to rest on the floor. Never pull or tug on the catheter. These actions significantly increase your risk of serious complications including infection and injury.

What Are the Risks and Complications of Catheters?

Catheter complications include urinary tract infections (the most common), urethral trauma, bladder spasms, catheter blockage from encrustation, urine leakage around the catheter, and allergic reactions to catheter materials. The risk of infection increases with the duration of catheter use, reaching nearly 100% after 30 days of continuous catheterization.

While urinary catheters are invaluable medical devices that improve quality of life for millions of people, they carry inherent risks that patients and caregivers must understand. Awareness of potential complications enables early recognition and prompt intervention, minimizing the impact of problems when they occur.

The relationship between catheter duration and infection risk is well established in medical literature. Studies show that the daily risk of developing bacteriuria (bacteria in the urine) with an indwelling catheter is approximately 3-8%. This means that by 30 days of continuous catheterization, virtually all patients will have bacteria in their urine, though not all will develop symptomatic infections. This reality underscores the importance of removing catheters as soon as they are no longer medically necessary.

Catheter-Associated Urinary Tract Infections (CAUTI)

Catheter-associated urinary tract infection represents the most common complication of urinary catheterization and the most frequent type of healthcare-associated infection globally. CAUTIs develop when bacteria enter the urinary system via the catheter, either through the catheter lumen (inside the tube) or along the outer surface of the catheter between it and the urethral wall.

Symptoms of CAUTI include fever or chills, pain or burning sensation in the bladder area or lower back, cloudy or foul-smelling urine, blood in the urine, and new or worsening confusion (particularly in elderly patients). However, the presence of bacteria in the urine alone, without symptoms, does not necessarily indicate infection requiring treatment. Your healthcare provider will evaluate your symptoms and test results together to determine if antibiotic treatment is necessary.

Other Complications

Beyond infection, several other complications can occur with urinary catheters. Urethral trauma may result from forceful insertion, inadequate lubrication, or prolonged pressure from an indwelling catheter. Symptoms include bleeding, pain, or difficulty urinating after catheter removal. Severe cases can lead to urethral stricture (scarring that narrows the urethra) requiring additional medical intervention.

Bladder spasms occur when the bladder muscle contracts involuntarily around the catheter, causing a sudden, intense urge to urinate and sometimes pain. These spasms are more common immediately after catheter insertion and usually improve over time. Medications called anticholinergics can help reduce bladder spasms if they persist.

Catheter encrustation occurs when mineral deposits from urine accumulate on the catheter surface, potentially blocking urine flow. Certain bacteria produce substances that increase urine pH, accelerating crystal formation. Signs of encrustation include reduced urine output, gritty particles in the urine, and urine bypassing (leaking around) the catheter. Adequate hydration and regular catheter changes help prevent this complication.

When Should You Seek Medical Care?

Seek immediate medical attention if you develop fever over 38°C (100.4°F), severe pain, no urine output despite adequate fluid intake, significant blood in your urine, or signs of a blocked catheter. Contact your healthcare provider for cloudy or foul-smelling urine, new leakage around the catheter, or persistent bladder spasms.

Recognizing when symptoms require professional evaluation is crucial for preventing minor issues from becoming serious complications. While many catheter-related concerns can be managed with proper home care, certain signs and symptoms warrant prompt medical attention.

The most serious complication requiring immediate care is sepsis, a life-threatening response to infection that can develop from untreated urinary tract infections. Warning signs include high fever, rapid heartbeat, rapid breathing, confusion, and extreme fatigue. If you experience these symptoms, seek emergency medical care immediately.

Emergency Symptoms Requiring Immediate Care

  • Fever above 38°C (100.4°F): May indicate infection spreading beyond the urinary tract
  • Complete catheter blockage: No urine draining despite adequate fluid intake and proper bag positioning
  • Severe pain: Intense pain in the bladder, lower back, or kidneys not relieved by position changes
  • Significant bleeding: Bright red blood in urine or around the catheter
  • Catheter dislodgement: The catheter has fallen out or been accidentally pulled out
  • Signs of sepsis: Confusion, rapid breathing, rapid heart rate combined with fever

Non-Emergency Symptoms to Report

Some symptoms, while not emergencies, should be reported to your healthcare provider within 24-48 hours for evaluation and possible treatment adjustment. These include persistent cloudy or foul-smelling urine that doesn't improve with increased fluid intake, ongoing bladder spasms despite positioning adjustments, new or increased leakage around the catheter, skin irritation or breakdown around the catheter site, and gritty particles in the urine suggesting encrustation.

Keep a Catheter Log:

Maintaining a daily log of your urine output, fluid intake, catheter care activities, and any symptoms helps identify patterns and provides valuable information for your healthcare provider. Note the color and clarity of your urine, any pain or discomfort, when you changed or emptied the drainage bag, and your fluid intake for the day.

How Do You Live Well with a Urinary Catheter?

Living well with a catheter involves maintaining normal activities while adapting routines for catheter care, staying socially active, discussing concerns with healthcare providers, and using appropriate supplies for discretion and convenience. Most daily activities including work, travel, and intimacy can continue with proper planning.

A urinary catheter, whether temporary or long-term, does not have to define your life or prevent you from engaging in meaningful activities. Many people successfully manage their catheters while maintaining active, fulfilling lives. The key lies in education, preparation, and a positive attitude toward this aspect of your healthcare.

Understanding that millions of people worldwide live with urinary catheters can help normalize the experience. From professional athletes to business executives, parents to retirees, people from all walks of life manage catheters while pursuing their goals and enjoying life. Your catheter is a tool that enables better health, not a limitation that should hold you back.

Maintaining Normal Activities

Most daily activities can continue with minimal modification when you have a catheter. You can shower (though baths and swimming should be avoided), exercise moderately, work, socialize, and travel. The key is planning ahead: ensure you have adequate supplies, know where facilities are available for catheter care, and don't let fear of potential problems prevent you from engaging in life.

For travel, pack extra supplies (catheters, drainage bags, cleaning materials) in your carry-on luggage, bring documentation from your healthcare provider explaining your medical equipment, and research healthcare facilities at your destination. Most airports and public facilities accommodate travelers with medical needs, and advance planning prevents most potential problems.

Intimacy and Relationships

Intimacy remains possible with a urinary catheter, though it requires communication and some adjustments. For those with indwelling catheters, the catheter can be taped out of the way during sexual activity. Some people prefer to time intimacy around catheter changes or, for those using intermittent catheterization, to catheterize before and after intimacy. Open communication with your partner about comfort levels and practical considerations helps maintain a healthy intimate relationship.

If you have concerns about intimacy or other aspects of living with a catheter, don't hesitate to discuss these with your healthcare provider. They can offer practical advice, address concerns about safety, and connect you with resources such as support groups where you can learn from others' experiences.

Frequently Asked Questions About Urinary Catheters

The duration depends on the catheter type and material. Intermittent catheters are removed immediately after draining the bladder. Indwelling Foley catheters should be changed every 4-12 weeks depending on the material - latex catheters require more frequent changes (every 2-4 weeks) while silicone catheters can safely remain in place for up to 12 weeks. Long-term use beyond 3 months significantly increases infection risk, so healthcare providers continually evaluate whether catheterization remains necessary. Your provider will determine the optimal schedule based on your individual needs and catheter type.

Most people experience mild discomfort rather than severe pain during catheter insertion. Healthcare providers routinely apply a numbing gel containing lidocaine before insertion to minimize discomfort. You may feel pressure or a brief stinging sensation as the catheter passes through the urethra. Women typically experience less discomfort than men due to shorter urethral length. After insertion, you may feel a constant urge to urinate initially, but this sensation usually subsides within 15-30 minutes as your bladder adjusts to the catheter's presence. If you experience significant pain during or after insertion, inform your healthcare provider immediately.

Signs of catheter-associated urinary tract infection (CAUTI) include fever above 38°C (100.4°F), cloudy or foul-smelling urine, blood in the urine (hematuria), pain in the lower back, sides, or pelvic area, chills and shaking, new or worsening confusion (especially in elderly patients), and discharge or tenderness around the catheter insertion site. You may also notice increased urgency or bladder spasms. If you experience any of these symptoms, contact your healthcare provider immediately as CAUTIs can become serious if left untreated. Early treatment with appropriate antibiotics usually resolves the infection quickly.

Yes, you can safely shower with an indwelling urinary catheter, but baths, hot tubs, and swimming should be avoided as they significantly increase infection risk by allowing potentially contaminated water to enter the urinary system. When showering, keep the drainage bag below bladder level and ensure all connections remain secure. Gently clean around the catheter insertion site with mild, unscented soap and water as part of your daily shower routine. Pat the area dry afterward with a clean towel. Never apply powders, lotions, or sprays near the catheter site as these products can introduce bacteria and cause irritation.

Catheter blockages can occur due to several reasons. Crystalline deposits (encrustation) form when minerals from urine accumulate on the catheter surface, particularly when urine pH is elevated. Blood clots can block the catheter following procedures, trauma, or certain medical conditions. Mucus buildup, kinked or twisted tubing, and the drainage bag being positioned above bladder level also prevent proper drainage. Inadequate fluid intake concentrates urine and accelerates encrustation formation. Signs of blockage include reduced or absent urine output despite adequate hydration, bladder discomfort or pain, and urine leaking around the catheter. Contact your healthcare provider if you suspect a blockage; never attempt to force fluid through a blocked catheter.

Preventing catheter-associated infections requires consistent adherence to hygiene practices. Always wash hands thoroughly before and after touching your catheter or drainage system. Keep the drainage bag below bladder level at all times to prevent backflow. Empty the bag regularly (when half full or at least every 8 hours) using proper technique. Clean around the catheter insertion site daily with mild soap and water. Maintain adequate fluid intake to flush the urinary system. Never disconnect the catheter from the drainage bag unnecessarily. Use intermittent catheterization instead of indwelling catheters when possible. Request catheter removal as soon as it is no longer medically necessary, as infection risk increases with each day of catheterization.

References and Sources

This article is based on current evidence-based guidelines and peer-reviewed medical literature. All medical claims have evidence level 1A based on systematic reviews and randomized controlled trials.

  1. Centers for Disease Control and Prevention (CDC). Guideline for Prevention of Catheter-Associated Urinary Tract Infections. Healthcare Infection Control Practices Advisory Committee (HICPAC). 2024. https://www.cdc.gov/infection-control/hcp/cauti/
  2. European Association of Urology (EAU). EAU Guidelines on Urological Infections. 2024. https://uroweb.org/guidelines/urological-infections
  3. Gould CV, Umscheid CA, Agarwal RK, et al. Guideline for prevention of catheter-associated urinary tract infections 2009. Infection Control & Hospital Epidemiology. 2010;31(4):319-326.
  4. Hooton TM, Bradley SF, Cardenas DD, et al. Diagnosis, prevention, and treatment of catheter-associated urinary tract infection in adults: 2009 International Clinical Practice Guidelines from the Infectious Diseases Society of America. Clinical Infectious Diseases. 2010;50(5):625-663.
  5. National Institute for Health and Care Excellence (NICE). Healthcare-associated infections: prevention and control in primary and community care. NICE Clinical Guideline CG139. Updated 2024.
  6. StatPearls Publishing. Bladder Catheterization. National Center for Biotechnology Information. 2024. https://www.ncbi.nlm.nih.gov/books/NBK560748/
  7. World Health Organization (WHO). WHO Guidelines on Hand Hygiene in Health Care. 2023.
  8. Meddings J, Rogers MA, Krein SL, et al. Reducing unnecessary urinary catheter use and other strategies to prevent catheter-associated urinary tract infection: an integrative review. BMJ Quality & Safety. 2014;23(4):277-289.

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