Fildena 25mg is a medicine which helps men to get a firm erection. The medicine contains Sildenafil Citrate which relaxes the blood vessels. It also prevents premature ejaculation. It is usually used to treat erectile dysfunction. Fildena is available in offline pharmacies and online pharmacies. However, the medicine can cause serious side effects if taken in an incorrect way. To avoid these side effects, take the medicine according to the doctor's instructions.