Nausea and vomiting

I'm having extreme nausea and vomiting I threw up like every 5 to 6 minutes I'm throwing up I can't keep anything down not even water so I'll still throw up I'm scared I'm not getting enough nutrients for me or the baby I went to the doctor and they gave me medication it helps and stops  vomiting but then it takes my appetite completely away and I'm not eating I have no idea what to do anyone can help me thank you