Self-injurious behavior (SIB) is a serious problem seen in individuals with developmental disabilities (DD). Evidence-based options for the treatment of SIB in patients with DD are limited and no medication is approved for this indication. Non-pharmacotherapeutic options including environmental change and behavioral therapy are generally recommended for use as first line therapy. However, these options are sometimes inadequate.1 Despite lack of strong evidence, a variety of medications are used for SIB in DD. These include: antipsychotics (typical and atypical), antiepileptic drugs (e.g. divalproex, carbamazepine, etc.), lithium, and antidepressants (particularly selective serotonin reuptake inhibitors). First line agents include atypical