You're right, I always mix that up. It's a little confusing when it comes to Narcan because it's something that does get logged as a prescription. It's just, as I understand it, prescribed by each state's surgeon general for the entire state population.
A sternum rub (just make sure not to do this repeatedly.. it either works or it doesn't and excessive sternum rubbing can scar) or pressing your fingernail into the bed of one of their fingernails are some go-to pressure points worth trying before administering