Erectile dysfunction and impotence is a sexual problem for all men who are going through this problem, the medicine prescribed by the doctor is fildena 50. The use of this medicine is not harmful to the health in any way, so this medicine is prescribed more by the doctor. Some men may experience side effects from this medicine which are normal and no serious problems are caused by taking this medicine. If this medicine is to be used once a day, it is harmful to use it more than once.