DEAR DR. ROACH: I read your recent column about overactive bladder (OAB). I had a similar problem with urinary incontinence and urgency that was mainly caused by artifical sweeteners. This was discovered by a urologist over 20 years ago. These sweeteners have evolved over the years, and I am very ca reful to read the inactive ingredients on labels. I used to think it was just in food, but both prescription and over-the-counter meds contain these sweeteners as inactive ingredients. ...read more read less