Cenforce 100 is usually taken 30-35 minutes before intercourse i.e. when men are suffering from erectile dysfunction. After taking it, its effect remains for 6-7 hours. These are the most popular and best tablets for sex-related problems. Before taking Cenforce 100mg it is advisable to consult a doctor. These pills are a drug for male use only, so women should not use these tablets. Best tablets for sex-related problems. Cenforce-100 is used in this over-use of sex-related problems.