Levitra (Vardenafil) Dosage Guide

Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works. Cialis, Viagra and their generic equivalents are both FDA-approved ED medications belonging to a class of treatment options called PDE5 inhibitors.PDE5 (short for phosphodiesterase type 5) is an enzyme that reduces blood flow to the penis, so by inhibiting it, there is more blood flow to the penis. taking viagra and levitra together Viagra also contains sildenafil. If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. Sildenafil should not be used with any other medicine or device that causes erections. Viagra usually starts working 30 60 minutes after taking a 50-milligram (mg) dose. It can then last for about 4 6 hours before the effects start to wear off. It can then last for about 4 6 Levitra and Viagra are both very effective at treating erectile dysfunction. In clinical trials, around 80 percent of men affected by ED reported being able to get and maintain satisfactory erections after taking Levitra or Viagra.

Viagra can help men with erectile dysfunction (ED) get and maintain an erection, but there are side effects. Learn more about Viagra s effects on the body. when was viagra developed Sildenafil may be used to treat erectile dysfunction (ED or impotence) in men (Viagra brand) or pulmonary arterial hypertension in both men and women (Revatio brand), depending on the brand. Sildenafil blocks the action of an enzyme known as cGMP-specific phosphodiesterase type-5 (PDE-5). Viagra lasts for up to 4 hours. The average time of onset is 60 minutes. The effects vary for each individual. Learn more about how long Viagra lasts here.