Nauseous

I’m having a very bad nauseous spell.. I woke up out of my sleep bc my lower back was feeling pressure and I could barely move without getting so sick.. I had to brace myself on the floor next to the toilet and the more I moved the worst it gets. It’s so horrible and I haven’t even thrown up but very close to it. What can I do to help this? It’s so bad 🤢 I’m 5 weeks 2 days