To dream of mucus represents unpleasant feelings about requiring something to survive. Feeling disgusted by something that helps you. Feeling repelled by behavior that surprises you that it’s required to survive. Protecting yourself with dishonesty when you don’t like it.
To dream of coughing up mucus may reflect feelings about being forced to changed your mind about unpleasantly holding your thoughts or feelings back. Feeling that protecting yourself socially at first was not a good idea. Feeling better that you don’t need to protect yourself with dishonesty.
Example: A woman dreamed of seeing mucus come out of her pregnant belly. In waking life she felt disgusted and embarrassed at having had sex with her ex-boyfriend while attempting to keep him because she suspected it got her pregnant. The mucus in this case may have reflected her unpleasant feelings about needing to have sex with her ex in order to get him to take her back.
Example 2: A woman dreamed of having in her throat. In waking life she was feeling socially awkward. her throat may have reflected her unpleasant feelings about herself needing to stay quiet or not speak up in order to survive looking embarrassed socially.