I hope it's not because Mr. Pibb and Black licorice equals crazy delicious...
ya maybe it is due to diff contents.check for it.and dont eat same product again.
maybe it's the cookies?
Allerigies can develop over time. Some people who never had sensitivity to peanuts sometimes end up with this condition. Check to see if the licorice is processed in a plant that also deals with tree nuts. That could be a warning sign to get checked out.
Allergies tend to develop over time, so yes, it's possible.
someone tampered with your candy
i'm no doctor