To dream that you are trying to catch your breath or that you are out of breath indicates that you are experiencing some anxiety, tension, or fear concerning a new situation in your waking life.
To dream that you have bad breath suggests that you are feeling enclosed or crowded in. Perhaps someone is invading your personal space.
To dream that you are holding your breath indicates your stubborn state of mind. Your views are too one-sided. The dream is telling you to be more open to the opinions of others.