All of these have been approved by the Food and Drug Administration to treat overactive bladder. The oldest are oxybutynin, available since 1976, and tolterodine (Detrol), first approved in 1998.

If you and your doctor decide to try a drug, consider tolterodine (Detrol or generic), which is a pill. It's a CR Best Buy because it has a lower risk of side effects. You might not even have an ...