I am experiencing feeling anxious, dizziness (better by: with fluids) (worsened by: lying flat) and nausea (severity: mild) . the following also describes me: sense of impending doom. what should i do?

Dizzy: Continue to do the things that help. You may want to see if dizziness imporves with meclizine or dramanine. If symptoms persist get checked.

Anxiety ? : While It may just be anxiety that is causing your symptoms there could be something medical underlying your feelings. See your primary MD to begin. Workup. If nothing Medical he/she may be able to give you strategies to help with anxiety