fildena is a prescription tablet. It is a drug used in male libido and impotence and sex. This medicine should be used only if you are above 18 years of age. Helps you have an erection for a long time. It is a drug used in the treatment of sexual intercourse in life. Sildenafil is a drug known by another name. You take the medicine with food or with 1 glass of water. It works well in stimulating your life partner. Take the medicine within 1 hour before engaging in sexual intercourse. It works by helping to relax the muscle.