Ginger Snaps 2: Unleashed (2004)

After her werewolf sister dies and she herself is inflicted with the werewolf curse, Brigitte (Emily Perkins) must constantly inject herself with monkshood to stop from transforming in the horror sequel Ginger Snaps 2: Unleashed (2004). But when the police mistake her for a junky and lock her up in rehab, only her new friend Ghost (Tatiana Maslany) can help her. Unfortunately, Ghost doesn’t help her get naked and we only get to see Emily banging some monkshood into her arm in her underwear.