The best medication for male sexual dysfunction is this one. The active component of this medication is sildenafil, which helps to relax the muscles of the penile tissue and increases blood flow to the male penis. This medication is administered either 30 minutes or 1 hour prior to sexual activity. See our store's fildena 100 purple pill Reviews and get 10% off erectile dysfunction medications. This medication takes four to six hours to take effect. Alcohol and fattening meals should not be consumed together with this medication as they will lessen its effectiveness.