Sildenafil citrate, sold under the brand name Viagra, may help with pelvic pain because it can lead to dilation of the blood vessels.

The fake Viagra pills contained only about 30 to 50 percent of the active ingredient, sildenafil citrate, compared with the actual product.

Spitzer and his colleagues found that a starting course of sildenafil citrate, marketed as Viagra, helped improve sexual functioning for men with both conditions.