Wound repair glue: I keep some of this in my car kits:
https://www.petsupplies4less.com/Vetbond...ASABEgJFbvD_BwEAs far as I know its safe to use on us humans, comparable to the Dermabond used for wound repair instead of sutures or staples.
Asking your doc for a prescription for something for nausea: ondansetron works well, not too expensive. Or Meclizine/dramamine is available without a prescription but causes drowsiness, which is sometimes a blessing.
Bars of soap: they last forever in storage, better than hand sanitizer against most pathogens out to get us, still the best choice for cleaning out a dirty wound.
Splinting material, like a SAM splint, in various sizes.