Sildenafil (Penegra (100 mg)) is a phosphodiesterase type 5 (PDE5) inhibitor, prescribed for erectile dysfunction (impotence). Erectile dysfunction is the inability to achieve or maintain an erection ...

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Sildenafil, which is also called sildenafil citrate, comes as an oral tablet. The drug also comes as an oral liquid suspension and IV infusion. However, this article does not cover these forms. It ...

Sildenafil is a rockstar pill when it comes to managing ED, and it isn’t just because it was the very first on the scene. Approved for use back in 1998, this medication — otherwise known as the active ...

Sildenafil is a prescription drug. It comes in the form of a tablet and suspension (liquid). Both are taken by mouth. It also comes in an intravenous (IV) form, which is only given by a doctor.