Fildena 150 is one of the popular pills for solving sexual problems in general. Sildenafil acts as the active ingredient in Fildena 150mg. It is advisable to consult a doctor before taking Fildena 150 Mg. Fildena 150 is to be taken one hour before sexual intercourse. After taking its effect remains for 5-6 hours. These pills are mostly used to solve sex related problems.