What are enemies of werewolves?

Werewolves are traditionally violently allergic to silver. In some instances rye, mistletoe, mountain ash and wolfsbane are effective repellents. Commonly, after a werewolf returns to its human form, it is drained and weak.

It's not true. none of them realy work. but making high pitched noises seem to work effectivly

Ha! Come on Guys! This is an easy one! The Answer is Vampires!