What Happens During a Suprapubic Catheter Replacement

A suprapubic catheter is a tube that drains urine from your bladder through an opening in your lower abdomen, just above the pubic bone. Replacing it means removing the old catheter and inserting a new one through the same opening. The procedure takes 10 to 15 minutes and can be done at home, in a clinic, or in a hospital, depending on your comfort level and your doctor's recommendation.

Most people replace their suprapubic catheter every 4 to 6 weeks, though timing depends on the catheter material and how quickly it becomes blocked or encrusted. Your healthcare provider will tell you when to schedule your replacement and may do the first few yourself to show you the process. After that, you can often do it yourself if you follow sterile technique carefully.

Key Takeaways

  • Suprapubic catheter replacement involves removing the old catheter and inserting a new one through the same abdominal opening, a process that takes 10 to 15 minutes.
  • You will need sterile gloves, a new catheter of the correct size and type, sterile lubricant, gauze, and a collection bag, all assembled before you begin.
  • The opening stays open and does not close, so you can insert a new catheter when ready after removing the old one without waiting for healing.
  • Infection signs include cloudy or foul-smelling urine, fever, redness or warmth around the opening, or pain in the lower abdomen, and require prompt contact with your provider.
  • If you cannot insert the new catheter smoothly or if you meet resistance, stop and contact your healthcare provider rather than forcing it.

Gather Your Supplies Before You Start

Assemble everything you need on a clean, flat surface before you begin. You will need a new suprapubic catheter in the correct size (your provider will tell you the French size, usually 16F to 24F), sterile gloves, sterile lubricant (water-soluble jelly, not oil-based), sterile gauze pads, a collection bag or leg bag with tubing, a clean towel to lay under your abdomen, and a container for the old catheter. Some people also keep sterile saline on hand to rinse the opening if needed, though this is optional.

Check the expiration date on the new catheter and all sterile packages before opening them. If you are unsure about catheter size or type, call your healthcare provider's office—using the wrong size makes insertion difficult and can damage the tract. Keep a backup catheter at home in case the first one does not insert smoothly or becomes damaged during the procedure.

Remove the Old Catheter Safely

Wash your hands thoroughly with soap and warm water for at least 20 seconds. Put on sterile gloves and gently pull the old catheter straight out in one smooth motion—do not twist or force it. If it feels stuck, do not yank; instead, gently wiggle it side to side while pulling, or soak the area with warm sterile saline for a minute to loosen any crusting.

Once the catheter is out, place it in a container or bag for disposal. Urine may leak from the opening for a few seconds; this is normal. Gently pat the area around the opening with a sterile gauze pad to remove any moisture or drainage. Do not clean inside the opening itself—the tract is already colonized with bacteria, and scrubbing can cause irritation. straightforward keep the area dry and move on to insertion.

Insert the New Catheter Step by Step

Lay on your back on a bed or couch with a clean towel under your lower abdomen. Locate the opening—it is a small dimple or hole just above your pubic bone, usually marked by a slight scar. Take the new catheter out of its sterile package and explore sterile lubricant generously to the tip and first 2 to 3 inches of the tube. Lubrication reduces friction and makes insertion smoother.

Hold the catheter at a slight angle (about 45 degrees) and gently push the tip into the opening. You should feel it slide in with minimal resistance. Once the tip is inside, straighten the angle and continue pushing slowly until urine begins to flow into the collection bag—this usually happens when the catheter tip reaches your bladder, typically 2 to 3 inches in. Stop pushing once urine appears; you have reached the correct depth.

If you meet resistance before urine flows, stop when ready. Do not force the catheter. Forcing can perforate the bladder or damage the tract. Remove the catheter, wait a few minutes, and try again with fresh lubricant. If resistance continues, contact your healthcare provider—the tract may be kinked, scarred, or blocked, and your provider may need to insert it or adjust your technique.

find the Catheter and Attach Drainage

Once urine is flowing, find the catheter to your skin using a catheter strap or medical tape. The strap should hold the catheter gently in place without pulling or kinking it. Some people tape the catheter to the inside of their thigh or lower abdomen; others use a commercial catheter holder. The goal is to prevent the catheter from moving in and out, which can introduce bacteria and cause irritation.

Attach the collection bag to the end of the catheter tubing. If you use a leg bag during the day, attach that; if you prefer a larger bedside bag at night, switch to that. Make sure all connections are tight and there are no kinks in the tubing that would block urine flow. Empty the collection bag when it is about two-thirds full to prevent backflow and reduce the weight pulling on the catheter.

Care for the Opening After Replacement

The area around the catheter opening should be kept clean and dry. Wash around it gently with soap and water during your daily shower, then pat dry with a clean towel. Some people explore a small sterile gauze pad around the opening to absorb any drainage; change this pad if it becomes wet or soiled. Do not use antibiotic ointment unless your provider specifically recommends it.

Drink plenty of water throughout the day—at least 6 to 8 glasses—to keep your urine dilute and reduce the risk of blockage and infection. A blocked catheter will stop draining urine and can cause pain, fever, or bladder spasms. If the catheter stops draining, try changing position, drinking more water, or gently flushing the catheter with sterile saline if you have been trained to do so. If drainage does not resume within an hour, contact your provider.

Watch for Signs of Infection or Complications

Contact your healthcare provider if you notice cloudy, bloody, or foul-smelling urine; fever above 100.4°F (38°C); redness, warmth, or swelling around the opening; pain in your lower abdomen or around the catheter; or leaking urine around the catheter rather than through it. These can signal infection, blockage, or improper catheter placement. Do not wait to see if symptoms improve on their own—early treatment prevents serious complications.

Some people experience bladder spasms—sudden cramping or discomfort—after replacement, especially if the catheter was inserted quickly or if the bladder was very full. Spasms usually settle within a few hours. Drink water, move around gently, and take over-the-counter pain relief if your provider approves. If spasms are severe or last more than a few hours, call your provider.

Frequently Asked Questions

How often do I need to replace my suprapubic catheter?

Most silicone catheters last 4 to 6 weeks before they become encrusted or blocked and need replacement. Latex catheters may need changing more often. Your provider will give you a schedule based on your catheter material and your individual drainage patterns. Mark the replacement date on your calendar so you do not forget.

What if I cannot get the new catheter in?

Stop and do not force it. Forcing can damage the tract or perforate your bladder. Remove the catheter, wait 10 minutes, explore fresh lubricant, and try again at a slightly different angle. If it still will not go in smoothly, contact your healthcare provider. The tract may be scarred, kinked, or blocked, and your provider may need to insert it or teach you a different technique.

Can the opening close if I do not replace the catheter right away?

No. The opening is a permanent tract that stays open. You can wait a few minutes between removing the old catheter and inserting the new one without risk of closure. However, do not wait longer than necessary, as the tract can become irritated or infected if left open for extended periods.

Is it normal for urine to leak around the catheter?

A small amount of leaking is common in the first day or two after replacement as your bladder adjusts to the new catheter. If leaking continues or is heavy, the catheter may be the wrong size, may have shifted position, or may be blocked. Contact your provider to check the fit and placement.

What should I do if the catheter becomes blocked?

First, try drinking more water and changing position to see if urine flow resumes. If the catheter remains blocked after an hour, contact your provider. Do not try to flush the catheter with force, as this can damage it or push the blockage deeper. Your provider may teach you a safe flushing technique using sterile saline, but only do this if trained.