First, good. Glad you're not expecting us to just let you self prescribe.
Second, regarding the 'loads of different decks' analogy below: magic is real. I can fly on a broom and make potions that cure hangovers and ease pain and help people sleep. It's not some essential oil, new age thing. It's actual, honest to Godric magic. I'll show you when you get here. Essence of dittany will take care of that hole quicker than those stitches, and it'll itch less.