Fildena 100 mg is a medication that treats men who suffer from chronic erectile dysfunction. This medication is quite effective for male infertility. The medicine contains sildenafil, which increases blood flow to men's penile tissues. This medication can be used before or following a meal. If excessive use is dangerous, see a doctor before using Fildena 100 mg. Fatty or cold drinks should be avoided after taking this medicine because they reduce the treatment's effectiveness. This medication has a three to four-hour effect.