Final Fantasy XIV Database - Ffxivpro.com

Well, from what I can see, medicine and vaccines are simply trading one problem for another. You just gotta weigh in on whether or not it's worth the exchange or not.

This is probably why I despise medicine, doctors, hospitals and all that jazz. Your body takes care of like 99% of most ailments you receive so any extra intake to fix it is just gonna make your body go: "OKAY! I GET IT ALREADY! SHEESH!"