Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Oppositional defiant disorderUpdated: 2018-04-25OverviewOppositional defiant disorder (ODD) is persistently negative, defiant, and disobedient behavior in a child. The behavior is aimed at authority figures.Symptomsp>Signs of ODD generally begin before a child is 8 years old. TreatmentsTreatment involves individual and family therapy. Medications might also be recommended for related mental health conditions. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use