Sildenafil citrate is in Cenforce 100. The drug usually starts to work 30 to 60 minutes after being taken. It can have benefits that last up to 4 to 6 hours. During that time, the person who uses it may have better erections and better sexual performance. For each person, the effects of Cenforce 100 may be different, depending on things like digestion, age, and health in general. It is suggested that you take the medicine exactly as your doctor tells you to and talk to them about how long the effects last and how to use Cenforce 100 most effectively.