UN EXAMEN DE VIAGRA

VIAGRA should not Si used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca® [tadalafil])Usually, an erection goes away when PDE5 breaks down the cyclic GMP in your penis. But Viagra blocks the Opération of PDE5, so it allows cyclic GMP to keep working connaissance a longer period of tim