This is a known effective method of administering THC, just be sure it's decarboxylated & dissolved in oil. Bit unconventional, but if you need to get an antiemetic into a pt without severe diarrhea / a needle and witout smoking it, probably one of the more effective ways to deliver the drug as "icky" as it may seem. (I know diphenhydramine suppositoriesx have proven their worth in more than a few cases of stomach flu/food poisoning etc.)
I recall that my old copy of Martindales said you could make suppositories out of cocoa butter & coconut oil. Basically any fats that have a melt point just a bit lower than internal body temp (about 34-36.5c). So maybe do that if you want to make pre-preapred, pre-measured "dual use" THC suppositories / edibles. (Yes it's a lirtle weird to propose that you eat a suppository, if it's made of nothing but food-grade plant fats and THC extract it's as food-grade as anything else.)