What Causes Nausea And Dizziness Post Intake Of Mucinex Pill?

i had a chest and head cold. which they are better. tuesday night i took a mucinexdm pill. in the night i started having these really weird dreams weird eye movements. i have a history of vertigo and labrynthitis. i now have nausea and dizziness and i feel like i cant take much more of this. this is sat. night is there anything i can take till i can get somewhere tomorrow?