Erectile dysfunction (ED), a condition in which men struggle to achieve or maintain an erection during sexual activity, is treated with the drug Vilitra. Vilitra key ingredient of cialis, sildenafil, is also present in the effective drug Viagra. Erection dysfunction is often caused by inadequate blood supply to the penis during sexual engagement. Phosphodiesterase type 5 (PDE5) inhibition is the mechanism of action of Vilitra.
