Since mental illness is not something that the average person knows all that well, there are a lot of wrong ideas and perceptions. Moreover, Hollywood does not help with all their sensational movies on mental illness. In light of this, I will list a few wrong preceptions.
First, there is the perception that everyone with mental illness is crazy and violent. Hence, there is a real fear in dealing with people with any sort of mental illness. This fear has to be dispelled, if there is going to be any gains with the mentally ill. They are people just like us. This, of course, is not to say that some are violent.
Second, in some corners, there is a belief that all people need is medication. Surely medication helps, but there are other needs as well. Some of the mental illness is also due to past painful experiences. Hence, some sort of counseling is needed.
Third, in the opposite extreme, some people are completely against medication and they feel that medication masks the main issues.
In short, there are many wrong perceptions, when it comes to mental illness.