How can collagen injections help treat urinary incontinence?

Marc B. Garnick, MD
Hematology & Oncology
Collagen is a strong material found in bones, skin, and other tissues. (Plastic surgeons use collagen as a filler in cosmetic procedures.) To ease incontinence, in an outpatient procedure a physician injects the collagen or other bulking agent into the area once occupied by the prostate to support the urethral muscles, so the patient doesn't lose urine as easily. However, any success at regaining continence with bulking agents tends to diminish within a few months because these agents are absorbed by the body. But this temporary measure is a viable option for men who cannot undergo invasive surgery.

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