Cystourethroscopy is a procedure where a doctor uses a thin, lighted camera to look inside your urethra and bladder. In women, it’s one of the most common ways urologists investigate symptoms like blood in the urine, recurrent urinary tract infections, incontinence, or unexplained pelvic pain. The whole diagnostic exam typically takes just 5 to 10 minutes and is usually done in a doctor’s office rather than an operating room.
Why It’s Done
Your doctor may recommend a cystourethroscopy when other tests, like urine samples or imaging, haven’t explained your symptoms. The most common reasons in women include:
- Blood in the urine (hematuria), whether visible or found on a lab test
- Recurrent urinary tract infections that keep coming back despite treatment
- Urinary incontinence or sudden, hard-to-control urges to urinate
- Painful urination that doesn’t have a clear cause
- Voiding difficulties, such as a weak stream or feeling like you can’t fully empty your bladder
- Bladder cancer surveillance, if you’ve had a previous diagnosis and need routine follow-up
The procedure lets your doctor see things that imaging often misses: small tumors, areas of inflammation, bladder stones, structural abnormalities in the urethra, or patches of tissue that look unusual enough to biopsy.
How the Procedure Works
You’ll lie on your back with your knees bent and feet apart, similar to a gynecological exam position. The doctor applies a numbing gel to your urethra, which also acts as a lubricant. After a few minutes for the gel to take effect, a cystoscope (a slim tube with a camera and light on the end) is gently guided through your urethra and into the bladder.
Once inside, sterile water is slowly pumped through the scope to fill your bladder. This stretches the bladder wall so the doctor can see the entire lining clearly. You’ll feel a sensation of fullness and a moderate urge to urinate, which is normal. The doctor examines the urethra on the way in and then systematically inspects the bladder walls, the openings where your ureters connect, and any areas of concern.
If something looks abnormal, the doctor can pass tiny instruments through the scope to take a tissue sample for biopsy. Some minor problems, like small bladder stones, can be treated during the same session. When a biopsy or treatment is involved, the procedure takes longer than the standard 5 to 10 minutes, and you may need sedation or general anesthesia rather than just local numbing gel.
Flexible vs. Rigid Scopes
Doctors use two types of cystoscopes. A flexible scope bends as it moves through your anatomy, while a rigid scope is straight and doesn’t bend. In men, the flexible scope is significantly more comfortable because of the longer, curved urethra. In women, the difference is much smaller. A study comparing both types in women found pain scores of just 1.4 out of 10 for flexible and 1.8 out of 10 for rigid scopes, a gap that wasn’t statistically significant. Post-procedure symptoms like burning, blood-tinged urine, and urinary frequency lasted less than a day on average with either type.
The rigid scope does offer some practical advantages: it provides a slightly wider view, makes it easier to pass instruments for biopsies, and is the standard choice when treatment is planned during the procedure. The flexible scope allows you to lie flat in a more relaxed position instead of the traditional stirrup position, which some women prefer. Doctors rate both types as equally easy to use, and previous research shows they’re equally effective at identifying tumors and other abnormalities.
Preparation Before the Procedure
For a basic diagnostic cystourethroscopy done under local numbing gel, preparation is minimal. You generally don’t need to fast, and you can drive yourself to and from the appointment. If sedation or general anesthesia is planned, you’ll be given specific instructions about not eating or drinking for a set number of hours beforehand, and you’ll need someone to drive you home.
Let your doctor know about any medications you take, especially blood thinners, and mention if you’re pregnant or could be. If you have a history of recurrent UTIs or other risk factors for infection, your doctor may prescribe a single dose of antibiotics to take before the procedure. You’ll typically be asked to provide a urine sample beforehand to rule out an active infection, since performing cystoscopy during an active UTI increases the risk of complications.
What Recovery Looks Like
Most women return to normal activities the same day. The most common aftereffects are a mild burning sensation when you urinate and a pinkish tinge to your urine, both of which typically resolve within 24 hours. You may also feel the urge to urinate more frequently than usual for the rest of the day.
Drinking extra water in the hours after the procedure helps flush the bladder and reduces irritation. A warm, damp washcloth held over the urethral area can ease any burning. These symptoms are a normal response to the scope passing through the urethra and the bladder being filled with water, not a sign that something went wrong.
Infection is the most notable risk, though it’s uncommon. Signs to watch for in the days following the procedure include fever, persistent pain that gets worse rather than better, cloudy or foul-smelling urine, or an inability to urinate. Significant bleeding, meaning bright red blood or clots rather than a light pink tinge, is rare but also worth reporting promptly.
What the Results Can Show
Your doctor can often share preliminary findings right after the procedure, since they’re viewing the bladder in real time on a monitor. Normal results mean the urethra and bladder lining look healthy, with no tumors, stones, inflammation, or structural issues. If a biopsy was taken, those results typically come back within a few days to a week.
Abnormal findings might include polyps or tumors on the bladder wall, areas of chronic inflammation (sometimes called cystitis), bladder stones, diverticula (small pouches that bulge outward from the bladder wall), or narrowing in the urethra. Finding something abnormal doesn’t automatically mean a serious diagnosis. Many findings are benign and treatable. The value of the procedure is that it gives your doctor a direct, detailed look that no other test can fully replicate, which often leads to a clearer treatment plan.