# What is the urethra and what is its function in the urinary system? Canonical page: https://clinicsjo.com/en/faq/what-is-the-urethra-function-urinary-tract Language: en Category: kidney Publisher: ClinicsJo Published: 2026-09-13T08:09:53.283Z Content updated: 2026-09-13T08:09:53.283Z Translation (ar): https://clinicsjo.com/ar/faq/what-is-the-urethra-function-urinary-tract The urethra is a tube located at the base of the bladder, and its primary function is to allow urine to exit the body during urination. The urethra is an integral part of the urinary system, which functions as an integrated drainage network designed to remove waste and excess fluid from the bloodstream in the form of urine [\[1\]](). For this system to operate efficiently, all parts of the urinary tract—the kidneys, ureters, bladder, and urethra—must work in perfect harmony and in the correct sequence [\[1\]](). ## Urination Mechanism and Muscle Control The process of urination relies on precise coordination between the bladder and the urethra. Urine is kept inside the bladder by two sets of muscles that function as a sphincter; the internal sphincter muscles at the bladder neck and urethra remain closed until the brain sends signals indicating the urge to urinate [\[1\]](). Meanwhile, the external sphincter muscles provide additional pressure to keep the urethra closed, allowing for voluntary control over when to urinate and helping to avoid unwanted leakage [\[1\]](). During urination, the brain sends signals for the sphincter muscles to relax, while the bladder wall contracts to push urine through the urethra and out of the body [\[1\]](). ## Maintaining Urethral and Urinary Tract Health To maintain the health of the urethra and prevent related disorders, it is recommended to adopt healthy daily habits. Drinking sufficient fluids, especially water, helps promote urinary tract health, while ensuring the bladder is emptied completely and avoiding the delay of urination, as holding urine for long periods may weaken the bladder muscles and increase the likelihood of bacterial growth and infection [\[1\]](). It is also advised to urinate after sexual intercourse to help flush out bacteria that may have entered the urethra [\[1\]](). For more details on the health challenges that may affect this part, you can review our article on [Urethral disorders: causes, symptoms, and methods of diagnosis and treatment (Arabic)](). ## When do urethral symptoms require medical attention? Changes in urination patterns may indicate underlying health problems. For example, bacterial infections, such as those causing chlamydia, can lead to urethritis, which is often accompanied by symptoms such as difficulty or burning during urination and abnormal discharge [\[2\]](). In rare cases, if such infections are left untreated, scarring of the urethra may occur, causing a stricture that obstructs urine flow and requires surgical intervention [\[2\]](). You must seek immediate medical care in specific situations that exceed minor discomfort, including: the inability to urinate despite feeling that the bladder is full, persistent burning and severe pain lasting for more than two days, the appearance of bright red blood or clots in the urine, or fever accompanied by severe abdominal or back pain [\[3\]](). These signs require an urgent medical evaluation to rule out the presence of an obstruction or a severe infection that requires immediate treatment [\[3\]](). ## Medical references - [The Urinary Tract & How It Works]() - [Chlamydial infections - male]() - [Cystoscopy & Ureteroscopy]() General health education; not a substitute for individualized clinical assessment. Citation URL: https://clinicsjo.com/en/faq/what-is-the-urethra-function-urinary-tract#answer