The inability to achieve or sustain a penile erection strong enough for sexual activity is known as erectile dysfunction, sometimes referred to as impotence. The way cenforce 100 mg functions is by boosting penile blood flow. This aids in erection initiation and maintenance. For ED, sildenafil is only effective while you are sexually aroused. This medication can be used either before or after meals. Consume this medication with water; do not crush or chew the tablet. Take this medication half an hour before sexual activity. Only guys who are at least eighteen years old may use this medication.