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I guess it could be different and from meds, but it sounds like hallucinations that I have sometimes. You might try checking your temperature next time to be sure you aren't getting a fever. I think some meds can cause fever. Regardless I would consult your pdoc about it.
Also acuriousfish might be onto something. Your balance is centered in your ears and if that gets messed up you can get really out of whack. The same thing happened to my mom about a year ago.
I am on Topamax and Lamictal.
Oceanbreeze, that happens to me too.
I am to scare to tell my doctor, I don't know more wrong with me.
otherwise are you taking a lot of ibprofen, asprin, or sudafed anything like that? A lot of herbs can interfere too, supplements can interact. This may sound nuts but I had to stop drinking certain teas with my topamax because I felt like I was walking on air at times, no sense of balance. Now I stick to coffee.