Dermatillomania

This study is 6 weeks long and involves subjects taking aripiprazole or placebo. If they are randomly assigned to the aripiprazole arm and are eligible to participate in the study, they will begin by taking 5mg once daily of aripiprazole for two weeks, then 10mg once daily for the remaining three weeks. Efficacy and safety measures will be performed at each visit. Participants will be randomized to receive either aripiprazole or placebo on a 1:1 basis. This blinding will be maintained by the IDS pharmacy at the University of Chicago.