A "friend" of mine is having some cosmetic surgery. He/she/her/him/them/it has been given a take-home kit for post-surgical care.
arnica
If you're ever in the mood for some yuks, take a casual stroll up and down the aisles in a CVS pharmacy and see if you can't find a bunch of stuff that shouldn't be sold there (maybe even anywhere). It's not that hard.