Fildena 100mg is an oral medication that's used to treat erectile dysfunction in males.It relaxes the smooth muscles found in blood vessels walls and improves blood circulation throughout your body, including the penis.Sildenafil Citrate is an ingredient that aids men in achieving and maintaining a sexually satisfying erection.You can take this medicine with or without food.One tablet should be consumed within 24 hours.You should not take more than one tablet within 24 hours. Otherwise, you could experience severe side effects.You should not eat the tablet unless you are hungry and at least one hour before engaging in sexual activity. Fildena medicine has a 4-5 hour effect.