prostavive review

    Viagra vs Sildenafil - Pharmica

    Viagra's patent expired in 2013 in the UK, giving pharmaceutical companies the green light to manufacture and market the generic medication using the same active ingredient as Viagra, sildenafil citrate. Viagra and Sildenafil are just that, the same medication under different names and sold at significantly varying prices.

    Viagra Connect vs Viagra vs Sildenafil: What's the difference?

    The main difference between Viagra, Sildenafil and Viagra Connect is that Viagra Connect is available to buy over the counter without a prescription. Viagra and Sildenafil are only available with a prescription. ... To be considered a legitimate generic version of Viagra, a medicine must contain exactly the same active ingredient (sildenafil ...