I've only been taking zoloft for a week. I stopped cold turkey because I can't quit puking...?

i was put on the medication because i have extreme anxiety issues. however i quit because it was making me sick. However, I've never been sicker. (moodwise i feel great btw.) I can't stop shaking and throwing up. Will it get better? Is there anything I can do to get rid of this?
Update: thank you guys so much. you're amazing. <3
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