What is a Foley catheter (urethral catheter) used for?

A Foley catheter is a tube inserted through the urethra into the bladder to drain urine. It is used when a patient is unable to urinate on their own, or when urine output needs to be closely monitored in critically ill patients. It is only placed when there is a clear medical indication.

Is Foley catheter insertion painful?

There is some discomfort involved, but it can be significantly reduced. Before insertion, the urologist applies a lubricating gel with a local anesthetic to the urethra. Studies confirm that this pre-lubrication method significantly reduces urethral discomfort during the procedure.

How long does a Foley catheter stay in?

The catheter is removed as soon as the medical indication is resolved, allowing the patient to urinate normally again. If ongoing catheterization is required, the catheter system has a lifespan of 1 month and must be changed after that period.

Can a Foley catheter cause a urinary tract infection?

Yes. Catheter-induced urinary tract infection is the most commonly asked-about complication. The bladder is normally a sterile environment, and inserting any foreign device reduces sterility. However, the risk is manageable with good hygiene practices. When a catheter is medically necessary, the benefits outweigh this risk.

What other complications can a Foley catheter cause?

Possible complications include urethral injury, which can occur if the procedure is not performed by a skilled specialist, and catheter-associated urinary tract infection. Both risks are minimized when the procedure is performed by an experienced urologist with proper technique and hygiene.

How do I care for a Foley catheter at home?

Key home care steps include washing hands immediately before and after handling the catheter, wearing clean gloves when handling the drainage system, cleaning the catheter with soap, gentle cleaning agents, or water, keeping the tubing free from kinks or blockages, and always keeping the drainage system closed — replacing it with a new one if it becomes disconnected.

Urethral Catheter: Purpose, Care & FAQs

Последнее обновление: 18 мая 2026

Соарави Вирасопоне, уролог

Главный офис больницы Бангкока, Бангкок

Больница Самитивей Шрирача, Чонбури

ЛИНИЯ Контакт

Undoubtedly, that I, urologist, was getting used to this thing a “Foley catheterization procedure”. But in the contrary, patients instead that seems to be naive for this thing here; a urethral catheterization system always terrified them while putting this thing into their urethra. This topic will show on the general frequent asked questions which I always need to educate them before doing the procedure.

Уретральный катетер - распространенная урологическая процедура, но со стороны пациента это совершенно не так.

Вопросы и ответы Катетеризация по Фолею процедура

Q: Why do I need to be retaining the foley catheter?

О: Должен быть медицинский показатель, например, неспособность самостоятельно опорожниться или контроль мочи у пациентов в критическом состоянии.

В: Больно ли это?

A: Pre-lubrication with anesthetic jelly significantly reduces urethral discomfort during the procedure. Evidence confirms this method reduces pain meaningfully.

Мешок с мочой часто встречается у госпитализированных пациентов.

Q: How long will it take to be removed?

О: Если нет медицинских показаний для катетеризации по Фолею, катетер будет быстро удален и позволит вам снова мочиться самостоятельно.

Вопрос: Возможно ли, что катетер вызовет какие-либо осложнения?

Urethral injury – if not handled by a specialist or skillful practitioner.
Catheter-induced urinary tract infection – maintaining good hygiene significantly reduces this risk.

Вопрос: Каков срок службы системы уретрального катетера?

A: The urethral catheter system has 1 month long lasting to use and needs to be changed if the medical indicator still requires it.

Q: How do we take care of the urethral catheter at home?

Always do hand hygiene before and after handling the catheter.
Clean with soap, gentle cleaning agents or water.
Keep the catheter away from kinking and obstruction.
Always keep the drainage system closed.

Инфекция мочевыводящих путей, связанная с катетером, всегда вызывает у нас беспокойство.

Если у вас возникли вопросы, проконсультируйтесь с вашим лечащим урологом. До встречи в следующей статье!

Вы можете написать мне здесь.

Часто задаваемые вопросы

Q1: What is a urethral (Foley) catheter used for?

A urethral catheter is a flexible tube inserted into the bladder through the urethra to drain urine. It is used when a patient cannot urinate independently due to urinary retention, after certain surgical procedures, or when precise urine output monitoring is required in critically ill patients. It is a routine urological procedure performed by trained medical professionals.

Q2: Is urethral catheterization painful?

While catheterization can cause some discomfort, a skilled urologist minimizes pain by applying anesthetic lubricating jelly inside the urethra before inserting the catheter. Clinical evidence confirms that this pre-lubrication technique significantly reduces urethral discomfort during the procedure. Most patients tolerate the procedure well with proper preparation and technique.

Q3: Can a urethral catheter cause a urinary tract infection?

Yes, catheter-associated urinary tract infection (CAUTI) is a recognized risk. However, maintaining strict hygiene, keeping the drainage system closed, and removing the catheter as soon as it is no longer medically necessary significantly reduces this risk. When catheterization is medically indicated, its benefits consistently outweigh the risks.

Q4: How long can a urethral catheter stay in place?

A standard urethral catheter can remain in place for up to one month before it needs to be changed. If the medical indication continues beyond one month, the catheter should be replaced with a new one. Your urologist will assess your condition regularly and remove the catheter as soon as it is no longer required.

Q5: How do I care for a urethral catheter at home?

Always wash your hands before and after handling the catheter, and wear clean gloves when managing the drainage bag. Clean the catheter and surrounding area with soap and water daily. Prevent the catheter tube from kinking, always keep the drainage bag below bladder level, and maintain a closed drainage system. Contact your urologist immediately if you notice fever, cloudy urine, or increased pain.

If you have concerns about urethral catheterization or urinary retention, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. Записаться на консультацию.

**Отказ от ответственности:** Этот контент написан и проверен доктором Соарави Вирасопоне, сертифицированным урологом в Главном госпитале Бангкока. Он предназначен только для образовательных целей и не является медицинской консультацией. Всегда обращайтесь к квалифицированному медицинскому работнику перед началом любого медицинского лечения.

Медицински написано и проверено: Д-р Соарауи Веерасопон (д-р Пом) — сертифицированный уролог, штаб-квартира Бангкокского госпиталя. Международный научный сотрудник: Бейлорский медицинский колледж (США) · Университет Дзюнтэндо (Япония) · Мемориальная больница Чанг Гунг (Тайвань).

Доктор Соарави Вирасопоне

Доктор Соарави Вирасопон (доктор Пом) — сертифицированный уролог в Главном госпитале Бангкока, специализирующийся на мужском здоровье, роботизированной хирургии (система Da Vinci) и лечении камней в почках. Он прошел международные стажировки в Медицинском колледже Бэйлора (США), госпитале Университета Дзюндо (Япония) и Мемориальном госпитале Чанг Гун (Тайвань). Весь медицинский контент на этом сайте написан и проверен доктором Соарави на основе его клинического опыта и международного обучения.