I definitely think that dreams are a way for our subconscious to give us advice, but I think that you need to be careful in interpreting them. In my opinion they may not be as clear cut as they seem and you should think about all the possible interpretations before basing a decision on them.
Personally, I find that the dreams I remember usually tie into something going on in my day to day life. I also find that the details are the key. For example, I may have a nightmare re-living the abuse but the location will be different and that location will be what I concentrate on. Is their a particular person or location that keeps recurring in your dreams, perhaps that is the point of the dream, not the theme.
I find that I have made alot of progress through working with my dreams. And by thinking about them it helps stop the nightmares. At the same time though I would not base any major life decisions on a couple dreams.