If men are currently unable to get an erection, start Cenforce-100 immediately. As a general rule, when you take a drug, you should take it with enthusiasm.Sildenafil improves sexual performance over time. Cleans the blood well. Sex in life makes life better. The drug must be taken within an hour of sexual activity. This leads to constant sex with the partner.It is a drug used for impotence. Sildenafil makes a man strong.