When a bunch of us got food poisoning in basic training, they gave us paregoric to drink. They said it would stop the diarrhea. It did, and it did much more...refills were available. It too tasted like licorice. GI gin was also a fav of airmen with colds...terpin hydrate...alcohol and codeine.
"I think I may say that of all the men we meet with, nine parts of ten are what they are, good or evil, useful or not, by their education." John Locke