Men use Cenforce 50mg Tablet to treat sexual dysfunction. This medication should be taken by men 30 minutes before sexual activity. A component of the medication known as sildenafil aids in boosting blood flow to a man's penile tissues. Do not take this medication frequently as its effects last for 6 hours. This medication can be taken either before or after a meal. Consume this medication with water; do not crush or chew the tablet.