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All three of the erectile dysfunction drugs (Viagra, Levitra and Cialis) are similar in action. They block an enzyme that causes an erection to go flaccid. Although these drugs are similar in action, their dose, onset of action time and duration of action differ.

Clinical studies have shown that when compared to placebo, Viagra and the other drugs in the same class, result in significant improvement in erectile function. Although established to be a safe and effective drug, Viagra isn't appropriate for everyone and may not work in all cases. How does it affect blood pressure. Viagra can slightly lower blood pressure. This is not a problem for most men.

This section covers how to edit the file in cPanel, but not what may need to be changed. (You may need to consult other articles and resources for that information. ) There are Many Ways to Edit a. htaccess File.]