Generic versions of sildenafil, vardenafil and tadalafil are available. Vardenafil usually works for 4 to 5 hours. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. Self-esteem, confidence, and relationships in men with erectile dysfunction treated with sildenafil citrate: Pooled analysis of two double-blind, placebo-controlled trials. Its introduction has been hailed as an important step forwards in supporting men to proactively manage their health.Viagra Connect is the first over-the-counter erectile dysfunction treatment, and you can buy it legally online. Viagra Connect is effective for 74% of men, and can help you to . Viagra Connect is the first erectile dysfunction medicine in the UK to be sold without the need for a prescription, which means you can order Viagra Connect discreetly online or . Compare prices and print coupons for Viagra (Sildenafil) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $
