Over time the silicone may begin to wear and the pessary need replacing. Benefits and side effects of using a pessary. Vaginal Pessary For Pelvic Organ Prolapse - Your Pelvic Floor Once you feel comfortable with your pessary you can go home. How long should you wear a pessary . This does not mean that the treatment has not worked. This is the impressa (made by kimberly clark), the first over the counter incontinence pessary for bladder leakage available in the us. Some women will be able to do this at home themselves but others will need to go to a hospital or a clinic to have this done for them. A doctor may try to reposition the pessary. The silicone is pliable, making the pessary comfortable to wear. A pessary that is too large can apply too much pressure and feel uncomfortable. What happens if you leave a pessary in too long? Some women wear a pessary only occasionally, or wear it during the day but take it out every night. It is ok to keep it in for a longer ...