What are the side effects of eating too much red licorice?

In addition to a black mouth and a total inability to taste anything else for a day, the only adverse effect I've heard of is lower potassium levels, but you'd have to eat a LOT. Clinically, this is not very significant as the homeostatic mechanisms in the body would usually correct this imbalance rather quickly.

Elevated cortisol levels leading to moon face and water retention.