One highly successful medication for erectile dysfunction is cenforce 50. Sildenafil Citrate a component in this medication, aids in boosting blood flow to men's penile tissues. Only guys who are at least eighteen years old should use this medication. This medication has a six-hour half-life. Take this medication an hour before sexual activity. This medication can be taken with water, but avoid breaking or chewing the tablet. Follow your doctor's advice when taking this medication. This medication can be used either before or after a meal. While using this medication, avoid consuming cold beverages and fatty foods since they will decrease the medication's effectiveness.