Erectile dysfunction is known as sexual dysfunction. Which does not enable men to engage in sexual activity with their partners. In this case, men suffer from a lack of erection, which has a side effect on their lives. You need to take fildena 100 tablets if you want to cure your erection problem. These tablets contain sildenafil citrate as the active ingredient. This relaxes the muscles in the area around the penis and allows the right amount of blood to flow through it. The drug usually works in 30-40 minutes and gives effective results in 4 to 5 hours.