Milk-Allergic Child: May I try a piece of your gum?
Her Parents: Sure. Here you go.
Milk-Allergic Child: [Makes face.] This gum makes my mouth feel funny.
Her Parents: Ha! Ha ha! That is because it is peppermint flavored.
Or, you know, it could be because of this:
Always, ALWAYS read the label. (Katherine spit out the gum and was fine. Thank goodness.)