Is this worth going to the ER for? Tmi

I woke up with the stomach flu at 2am. It's currently 12pm where I live. Since then, it's been non stop puking/pooping my brains out. I can't keep any liquids down, even with zofran. I'm 29 weeks pregnant. The baby has been moving the entire time but I still don't want to risk dehydration and I feel like absolute shit. I'm having constant body sweats and then chills. I'm miserable 😩