I'm in my third trimester and the morning sickness seems to have gotten worse! Can't keep much down so my dr gave me two…

I'm in my third trimester and the morning sickness seems to have gotten worse! Can't keep much down so my dr gave me two different prescriptions and has recommended Boost or Ensure drinks to make sure Jace is getting some nutrients and protein. I'm also waiting for my neurologist referral that she recommended. Headaches are more frequent and severe. Hopefully we can figure out what's going on very soon! I feel so drained!!