The little blue pill that revolutionized impotence treatment now has some competition.

Levitra, approved recently by the Food and Drug Administration, is the first in a growing array of Viagra alternatives and can work in about the same amount of time as Viagra - generally within 30 to 60 minutes.

"Everybody who tried Viagra and wasn't happy with it is going to try this," said Dr. Stephen M. Auerbach, a Newport Beach, Calif., urologist who specializes in male sexual dysfunction.

Another pill, whose effects last 36 hours, could be approved by year's end. A nasal spray, a topical cream and a pill that dissolves under the tongue also are in the pipeline and could be available in two to three years. Full Story...