I'm not sure how this would work with the throwing up element of the m/s but my naturopath said B6 can help, 50mg a day unless really bad and then you can take 100mg.
Fruit tingles help with the ick and nausea, pretty sure that won't help with vomiting though.
The health food shop recommended the nausea under the tongue spray by Martin & Pleasance.
I hope it eases for you very very soon.