Post-traumatic stress disorder (PTSD) is a serious problem for children exposed to intimate partner violence (IPV). Recent changes to diagnostic criteria for PTSD include a reduction in avoidance symptom criteria from three to one and the separation of emotional numbing from avoidance symptoms, thus creating a need to better understand how avoidance symptoms of PTSD present themselves in young children. This study evaluated 56 children aged four to six as they participated in an intervention for mothers and children exposed to IPV. Therapists documented behaviours indicative of avoidance symptoms during group sessions. Data were analysed and coded into symptom categories and thematically emergent domains. Results demonstrated that avoidance symptoms fell into three separate categories: physical avoidance, emotional avoidance, and changing topics. Additionally, the data support the "Diagnostic and Statistical Manual of Mental Disorders" (5th edition) change to remove emotional numbing from the avoidance symptom category. These results give insight into how to develop more targeted treatments for PTSD as well as improve the assessment and diagnosis of PTSD symptoms in preschoolers.