Fildena is an effective erectile dysfunction medication for men. Sildenafil citrate is the active component in this medication. Fildena 100 mg tablets should be taken 30-60 minutes prior to sexual activity. Fildena is a PDE5 inhibitor that is similar to, but not the same as, Viagra. Fildena is the brand name for a group of medications manufactured by Fortune Healthcare in India. Fildena is an option for men who are unable to get a decent erection. Fildena 100mg is an effective treatment for male erectile dysfunction induced by sildenafil citrate dynamic fixation.