Cenforce 100mg is prescribed to address male sexual issues such as impotence and erectile dysfunction. This medication contains Sildenafil, which allows men to get stronger, firmer, and longer erections during intercourse. This medication can only be taken by men over the age of 18. This medication can be used before or after meals. You can take Cenforce 100mg either before or after eating. Follow your doctor's instructions when taking this medication. This medication's effects last 4 to 6 hours.