Original ArticlesEgo State Therapy for the Treatment of Grief and Loss After DeathSugara, Gian S. MPd*; Yulianingsih, Yulianingsih SPd, CHt*; Isti’adah, Feida N.L. MPd*; Adiputra, Sofwan MPd, Kons†; Muhajirin, Muhammad MPd†; Fadli, Rima P. MPd‡; Ifdil, Ifdil PhD, Kons§Author Information *Department of Guidance and Counseling, Universitas Muhammadiyah Tasikmalaya †Edupontensia, West Java ‡Indonesian Institute for Counseling, Education, and Therapy §Department of Guidance and Counseling, Faculty of Education, Universitas Negeri Padang, West Sumatera, Indonesia I.I. is a licensed counselor at the Indonesian Counselors Association and a private counselor, a professional in mental health, crisis counseling, trauma, and internet addiction intervention. The remaining authors declare no conflict of interest. Correspondence to: Ifdil Ifdil, PhD, Kons, Department of Guidance and Counseling Faculty of Education (FIP), Universitas Negeri Padang (UNP), West Sumatra 25131, Indonesia (e-mail: [email protected]). Addictive Disorders & Their Treatment: September 2021 - Volume 20 - Issue 3 - p 151-158 doi: 10.1097/ADT.0000000000000215 Buy Metrics Abstract Losing a parent causes grief that impacts the development among adolescents. This often leads to self-internalization problems, such as depression and trauma. Without intervention, grief due to parental death may cause various effects over time. This study used a single case research technique with AB design to analyze the effectiveness of ego state therapy in reducing grief. The subjects consist of 2 adolescents living in the Orphanage with prolonged grief disorder. The results of the study showed a decrease in the level of grief during and after treatment. Ego state therapy can be used to improve the conditions of adolescents experiencing grief. Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.