Try the search for "meclizine", moonie and quarky had some good points, some say it's not as good as meto but I think it still works. Make your own judgement though
https://sanctioned-suicide.net/threads/time-sensitive-question.28877/#post-524553
https://sanctioned-suicide.net/threads/sn-with-no-antiemetics.26776/page-2#post-488816