Vardenafil 20mg Capsule

Vardenafil is categorized as a selective phosphodiesterase type 5 (PDE5) inhibitor. It is the first second-generation PDE5 inhibitor to be developed. Vardenafil should begin working within 30 to 45 minutes after administration and lasts for about four hours. As with sildenafil, patients taking vardenafil should not use more than one dose within a 24-hour period.