Approximately 60 minutes before s*xual intercourse, the user is advised to take Cenforce 100 (Sildenafil Citrate) tablet. There is only one way to take Cenforce 100mg, which is to swallow it whole as a tablet. It does not need to be broken or crushed and chewing is not recommended. The tablet should be swallowed with or without water before engaging in s*xual activity. Cenforce 100 (sildenafil citrate) starts to work after thirty minutes of taking the pill. It is enough to take it before starting s*xual activity. It should not be taken in more than one daily dose to avoid harmful side effects. The effects of the tablet last for about four hours. An erection will only occur when the user is s*xually stimulated for it to work. Also, users should remember that Cenforce 150 (Sildenafil Citrate) does not protect them from s*xually transmitted diseases.