Filagra if only pills are used to treat impotence and erectile dysfunction in men. This drug is only for men over 18 years of age. This medicine contains sildenafil, which helps men experience a strong erection during intercourse. Take this medicine 45 minutes before intercourse. The effect of this drug lasts for 4 hours. This drug helps men to know a strong erection during intercourse. You can also take this medicine before or after a meal. Do not consume fatty foods or cold drinks with this as it slows down the side effects. You can visit pharmev.com for more information.