Hi I am a 38 year old male. I have been taking Detrol la for the past year for my overactive bladder . I have tried to stay healthy and fit during this period.Initially, I have noticed only when I work out my penis shrinks to almost, a boy s. Now months later, even when I m not working out, my penis shrinks( when I am holding the urge to urinate).And lately,my foreskin seems to shrink and become normal at times.There is never pain, but it feels uncomfortable. Any suggestions? Mark