A pouch cover has the advantage of soaking up perspiration on a hot day. Perspiration can quickly undermine the best adhesives. A good ostomy powder can help soak up moisture too. Lacking this, corn starch or baby powder is equally effective. Some people always carry Band Aids with them. She said she used the tape to mend a small tear in the pouch. It worked so well that she forgot about the makeshift repair until her regular time to change pouches! One ileostomate told about his pouch filling with gas while he was hurrying to catch a plane and he didn't have time to stop in the restroom. He used a pin to poke a hole in the top of his pouch. By pressing his arm against his body, he was able to avoid an emergency until he could safely use the restroom on the plane.
Another ileostomate told about Using a disposable diaper to wrap around her appliance. It kept her safe until she could get home and change. Individually packaged alcohol wipes or towelettes are easily carried and are great helpers in cleaning up an emergency. Best of all though, take precautions to try to avoid having an emergency.