fildena 100 purple pill is used to treat men who ejaculate too soon. The greatest medication for male erectile dysfunction and impotence is this one. The active component in this medication, sildenafil, gives men erections that are firm, powerful, and last a long time. This medication takes four to six hours to take effect. This medication can be used either before or after meals. Avoid taking this medication with fatty meals or alcoholic beverages.