nausea, dizziness, vomiting and diahrrea?

Judi
So I just turned 29 weeks yesterday and last night I went to turn over in bed and the room started circling around me. I eventually fell back asleep. This morning I wake up dizzy off and on and so I try to sit in one place for a while. I then start to feel hot, sweaty and sick like I'm gonna throw up so I make some eggs and bacon and eat. It doesn't help actually I couldn't even finish it. I end up in the bathroom with diahrrea and I threw up all the water I drank since I've been up. I stop sweating and I don't feel sick anymore but I do still feel dizzy. Stomach flu? 
Food poisoning? 
I hate this hospital near us and try my hardest not to go there. My hospital is about 45 minutes away. I failed my glucose test with a 140 and waiting for my appt to do the 3 hour, never had problems in past pregnancies with pre-eclampsia or anything like that. How long should I wait to get checked out? I see my ob tomorrow morning.