ok.... I mean I suppose you could always get some more and postpone, but it's obviously up to you.....
I believe there's various ways to find antiemetics.
What country are you in ?
Note : As always, please note that I strongly encourage you to seek help with whatever is troubling you. With the right help things can improve. There are many sources of help if you look and reach out. Please seek assistance in any and every way possible. You alone must decide upon your actions and take full responsibility for them, and you should always favour seeking help and keeping out of harm's way.