Filagra is a brand of male enhancement medication, manufactured by the company Fortune Healthcare Pvt.The male enhancement drug Filagra is designed to improve a man's erection and sex drive. It is taken by mouth, and should be taken on an empty stomach. Filagra is not a permanent solution, but it can help improve performance in the bedroom. The active ingredient in Filagra is sildenafil citrate, which works by blocking the PDE5 enzyme that prevents erections. Filagra tab is a drug that is taken by mouth to help with erectile dysfunction. It is an FDA-approved medication that is made up of the active ingredient sildenafil citrate. Filagra is taken on an empty stomach and can be taken one hour before sexual activity. It is not a permanent solution, but it can help improve performance in the bedroom.