I take it with Lexapro and Diovan (BP) so difficult to know which one is causing which side effect (I take them at the same time). Yes, I get a very slight dizziness but I'm only on 7.5mg twice a day. Some "perfect" doses for others run much, much higher.
Oh and I found out that if you're having a bad episode you can take more and it takes effect in about 20 mins or so without knocking you out.
Best wishes to you!