Sildenafil is the generic name of Fildena 25, which is used to solve the problem of ED. Fildena 25mg is taken 1 hour before intercourse, after which the effect lasts for 4-5 hours. Fildena 25 must be taken only once a day. It is important to consult a doctor before taking Fildena 25 Mg. Fildena 25 is ED's Best Pills. 25 Fildena should be kept away from small children and pets.