fildena 100mg Sildenafil Citrate is a universal version of Viagra called Fildena (100) is a purple film-coated tablet containing 100 mg Sildenafil citrate, also referred to as the blue pill or "Man’s Best friend" and is prescribed to treat men’s erectile dysfunction. It is available in tablet form in dose strengths of 25 mg, 50 mg, and 100 mg. This is a generic version of the brand name Viagra, comparable in quality and efficacy to the brand name version of Sildenafil.