To dream that you have nausea suggests that you are suffering from a sickening situation or condition which you are trying to rid yourself of.
Nausea Not being able to bear the words or actions being served; see “food”
Nausea 1. A feeling that a situation or dilemma has gone from bad to worse (as in “sickening”). 2. Inability to accept or intense fear of a situation. 3. A need or desire to “purge” a usually emotional, sometimes behavioral, set of traits or reactions. 4. Possible illness or pregnancy.
Nausea Symbolic of a bad environment, a place that will make you sick, or bad activities, Prov. 26:11