This chapter focuses on trauma counseling, trauma-related symptoms, and trauma-informed counseling. The author discusses the prevalence, impact, and presentation of trauma symptoms across settings, as well as the operationalization of trauma-informed counseling. This chapter describes the importance of reestablishing safety and self-regulation in trauma counseling. The author notes the steps in treating trauma, including reestablishment of safety as an integral starting point. This chapter includes an exploration of the benefits of trauma-informed counseling across settings and client populations as well as the holistic impacts of trauma-informed care. This chapter also focuses on treatment, considerations for treating trauma symptoms across populations, and factors that contribute to resilience after adversity or trauma.