Are you ready to combat erectile dysfunction but are not yet sure about the type of PDE-5 inhibitor to use? This is not an unusual problem. Viagra, the citrate salt of Sildenafil, is the most popular among the 3 PDE-5 inhibitors approved by the FDA. But don’t let popularity alone be the deciding factor for you. Before making the decision to buy Viagra cheap online, it is important to note that Cialis and Levitra, the other two PDE-5 inhibitors, are equally safe and highly effective, though they are not as popular as Viagra yet.
More on Comparing Viagra with the other two phosphodiesterase type 5 (PDE-5) inhibitors.
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Cialis (Tadalfil) is in a class of drugs called phophodiesterase inhibitors. FDA approved Tadalfil – Cialis in 2003 for the treatment of men who experience difficulty having and maintaining an erection.
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