The dog could come upon the kill of another smaller animal, such as a fox, and scare the other predator away. He might still bring back the carcass to the girl, and her disgust would prompt her to find berries or nuts.
I have considered aloe, but wanted to use something that doesn't feature so prominently in modern medications. You see aloe in so many lotions and balms these days that it doesn't have that sense of mysticism. I was looking into marigold, barberry, and goldenseal root, also.
I am writing about a character who has had his arm amputated, and is learning to care for it. He experiences skin irritation and occasional infections. What could be used to treat those?