Fildena 25 has been used to treat problems such as erectile dysfunction (ED). Sildenafil is the main ingredient in this medicine. The use of this drug slowly loosens the muscles in the body and increases blood flow to the muscles. So that erection can be easily achieved during sexual activity and sustained for a long time. This drug has more effect than other drugs. This medicine should be taken 30 minutes before sexual intercourse to get the best result of these tablets. The effect of this drug is usually within 30-40 minutes and the effect lasts for 4-5 hours.