Basically ethical dilemma is a problem while the ethical dilemma is concerned with the decision making process. This is the simpler difference between them. Considering the deeper meaning of the two, ethical dilemma is the condition in which there is a conflict between the moral imperatives. It can raise the issue of distinguishing between the right and wrong. On the other hand, ethical dilemma deals with the personal standards of an individual with respect to right and wrong. When decisions of a person are sensitive to ethical standards then these are known as ethical decisions. I hope you are clear about the the difference between the two concepts now.