Urethral catheterization is a medical procedure that involves inserting a thin tube, called a catheter, into the urethra to reach the bladder. This is done to drain urine, collect urine samples, or deliver medications. It can be performed in various settings, including hospitals and clinics, and is often necessary for patients who cannot urinate on their own. The procedure is typically done using sterile techniques to minimize the risk of infection. Catheters can be temporary or long-term, depending on the patient's needs. Healthcare professionals monitor the patient for any complications, such as discomfort or infection, during and after the procedure.