Stomach virus

I’m 39 weeks 4D & I’m 3 cm open. My kids are sick with a stomach bug my only symptoms are being nauseous & constant diarrhea. Is there anything that can help get rid of it before baby comes? & help my kids too they’re a little worse than me my oldest has diarrhea fever & vomiting while the youngest only has diarrhea & vomiting. Any help pleaseeee!