femalegra 100 tablets have been used to treat erectile dysfunction in men. The drug contains sildenafil citrate as an active ingredient. The effect of this drug lasts for 4 to 6 hours. If the effect of this medicine lasts for more than 6 hours, consult a doctor immediately. Consult a doctor before using this medicine. So you can't see any side effects of this medicine. You can see the good effect of this medicine as well.