Silagra 100 mg Tablet belongs to a gaggle of medicines called PDE5 inhibitors. It works by relaxing the blood vessels in your penis. this permits blood to flow into the penis and produce an erection when sexually aroused. This medicine will only help get an erection if you're sexually stimulated. it's very effective but must be taken a minimum of half-hour before gender. Sildenafil Citrate belongs to a bunch of medicines called phosphodiesterase type-5 (PDE-5) inhibitors.