Filagra DXT tablet is a prescription-based medication for the treatment of erectile dysfunction (ED) or impotence in men. Sildenafil citrate and duloxetine are the active ingredients present in the medicine. Sildenafil treats impotence by reducing the activity of phosphodiesterase type-5 (PDE5), a naturally occurring chemical in the penile region. This medicine should be used on an empty stomach or with light food. The effect of this medicine is usually seen within 30-40 minutes, which varies from person to person. This medicine is only useful for men above 18 years of age. Using this medicine improves your sex life.