Free Guide to Changing Your Stoma Bag

Understanding Your Stoma and Bag System

A stoma is an opening created during surgery that allows waste to leave your body without passing through the rectum. This opening is made from the end of your small intestine (called an ileostomy) or large intestine (called a colostomy). Your stoma does not have nerve endings, which means it does not hurt when touched or cleaned. The stoma appears pink or red and may bleed slightly during cleaning—this is normal and not a cause for concern.

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Your stoma bag, also called a pouching system, collects waste that flows continuously from your stoma. Unlike a typical bowel movement, output from a stoma cannot be controlled. The bag protects your skin from contact with waste and odor. Most pouching systems come in two main styles: one-piece systems where the pouch is attached directly to a skin barrier, and two-piece systems where the pouch attaches to a separate wafer that sticks to your skin.

The skin barrier, or wafer, is the part that contacts your skin. It contains an adhesive that sticks to your abdomen around the stoma. This barrier protects your skin from the acidic or alkaline properties of the waste and prevents irritation. Skin barriers typically last 3 to 7 days before they need to be replaced, depending on your individual skin and the type of barrier you use.

Understanding your specific type of stoma and bag system is the foundation for successful bag changes. Your ostomy nurse or surgeon can tell you whether you have an ileostomy, colostomy, or urostomy. Each type produces different output—ileostomy output is typically liquid, colostomy output is thicker—and knowing this affects how often you change your bag and what supplies work best for your situation.

Practical takeaway: Write down your stoma type and the brand of pouching system you currently use. Keep this information handy so you can reference it when ordering supplies or talking with healthcare providers.

Gathering Your Supplies and Preparing Your Space

Before you change your stoma bag, gather all the supplies you will need within arm's reach. Having everything ready means you work faster and create less opportunity for spills or skin irritation. The basic supplies include a clean pouching system, warm water, washcloths or gauze pads, a measuring tool for your stoma (usually paper or plastic), a skin barrier spray or powder if your skin is irritated, a small mirror or camera if you cannot see your stoma directly, and a disposal bag for the old pouch.

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Your pouching system includes the skin barrier wafer and the pouch itself. If you use a two-piece system, you will have these as separate items. The wafer should be cut or pre-sized to fit your stoma opening. Most pouching systems come with a template you can use to measure your stoma size. Your stoma size can change slightly over the first year after surgery and occasionally afterward, so measuring every few months helps you maintain a proper fit.

Prepare your bathroom or changing space by clearing a clean surface where you can lay out supplies. Good lighting is essential—you need to see your stoma and skin clearly. If your bathroom lighting is poor, consider using a headlamp or holding a flashlight. Ensure you have a trash receptacle nearby for disposing of used supplies. If you are changing your bag in a public restroom, bring a small bag or container for disposal since you cannot always flush pouches.

Timing matters for bag changes. Many people find that changing their bag after a bowel movement—or when output is least likely—makes the process easier and cleaner. Ileostomy output tends to be continuous, so you may change your bag first thing in the morning when output has been minimal overnight. Some people change their bags at the same time each day to build routine and reduce leaks.

Have a plan for what to do if your bag leaks during the change process. Keep paper towels or old towels nearby. Wearing clothes you do not mind getting dirty is sensible when you are learning. As you become more experienced with changing your bag, spills happen less often.

Practical takeaway: Create a checklist of supplies and post it in your bathroom or on your phone. Check off items before you start each change so nothing gets forgotten.

Removing Your Current Stoma Bag

Removing your current pouching system without damaging the skin underneath requires patience and the right technique. Start by loosening one corner of the skin barrier wafer with your fingernail or a specialized adhesive remover. Work slowly around the edges, loosening small sections rather than pulling off the entire wafer at once. Pulling too quickly risks tearing the skin on your abdomen.

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Some people find that warming the wafer slightly makes removal easier. You can do this by placing a warm, damp washcloth against the wafer for 30 seconds before removing it. The warmth softens the adhesive. Alternatively, products called adhesive removers are available at pharmacies and medical supply companies. These sprays or wipes dissolve the adhesive without harsh pulling. Apply the remover around the edges of the wafer, wait a few seconds, then gently peel away the wafer.

If your skin is sore or has been irritated by repeated bag changes, removing the wafer becomes even more important. Irritated skin breaks more easily, so move even more slowly. Some people apply a thin layer of adhesive remover under the entire wafer and wait 1 to 2 minutes before removal. This gives the adhesive time to fully soften.

Once the wafer is off, you will notice your stoma—the pink or red opening on your abdomen. Do not be alarmed if there is a small amount of bleeding when you touch the stoma with a cloth. Stomas bleed easily because they have many blood vessels close to the surface. This light bleeding stops within a few seconds.

Place the used pouch in a disposal bag. If the pouch is disposable, you will throw it away. If you use reusable pouches, rinse them out and set them aside to clean later. Your skin barrier wafer cannot be reused and should be discarded.

Practical takeaway: If you struggle with removal, ask your ostomy nurse about adhesive removers. Using the right product for your skin type prevents damage and makes the process less stressful.

Cleaning Your Skin and Stoma

Clean skin around your stoma is essential for a new wafer to stick properly and for preventing skin irritation. Use warm water and soft washcloths or gauze pads. Plain water is usually sufficient—do not use soap, lotion, or oils on the skin around your stoma, as these create a barrier that prevents the new wafer from sticking. If you need to use a cleanser, ask your ostomy nurse which products are safe.

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Gently wash the skin in a circular motion around where the old wafer was attached. Pay attention to any creases or folds in your abdomen where waste can hide. Rinse thoroughly with clean water. Pat your skin dry with a clean towel or gauze—do not rub, as rubbing irritates skin that is already sensitive from wearing the wafer.

While you are cleaning, observe your skin for signs of irritation. Healthy skin around your stoma is normal skin color with no redness, blistering, or open sores. If you see redness that extends beyond where the wafer sits, or if you have open areas, your skin needs extra care. In these cases, use a skin barrier spray or powder designed for ostomy care. These products create a protective layer and help the new wafer stick to irritated skin. Always let barrier sprays dry completely before applying your new wafer.

Clean your stoma gently with a damp cloth. Your stoma is not delicate—you can touch it and clean it without fear of damage. However, avoid scratching or scrubbing it with a rough cloth. A light touch is all you need. If output has dried on your stoma, use gentle warm water to soften it first.

Some people prefer to change their bags over a toilet so any mess goes directly into the bowl. Others prefer a sink. Choose whatever location makes you feel most comfortable and in control. If you are changing your bag away from home, use a public restroom and have disposal bags ready.

Practical takeaway: Keep your skin around the st