This study seems to back that up, at least for reducing vomiting and cold-sweating, not so much for vertigo and nausea: https://www.ncbi.nlm.nih.gov/pubmed/3277

This study seems to back that up, at least for reducing vomiting and cold-sweating, not so much for vertigo and nausea: https://www.ncbi.nlm.nih.gov/pubmed/3277342 https://www.ncbi.nlm.nih.gov/pubmed/3277342