Been taking 150-200mg of fluxoimine on and off for 7 months now but every, time I start taking it again I feeel sick vomit? Is this normal?

No. You are experiencing a side effect of the medication. Speak to your prescriber about an alternative.
No. It is not normal. Suggest that you need to go back to your provider and try another medication that you can tolerate better.
Fluoxetine? Do you mean fluvoxamine? Your dose is large. It can cause nausea - commonly. You shouldn't take any med that's making you ill. Ask your doc about switching to another med.