ODD is one of the most common disorders occurring with ADHD. ODD usually starts before 8 years of age, but can also occur in adolescents.SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkAttention-Deficit/HyperactivityDisorder(ADHD)SectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateOtherConcernsandConditionswithADHDEspañol(Spanish)MinusRelatedPagesOnThisPageBehaviororConductProblemsLearningDisorderAnxietyandDepressionDifficultPeerRelationshipsRiskofInjuriesADHDoftenoccurswithotherdisorders.ManychildrenwithADHDhaveotherdisordersaswellasADHD,suchasbehaviororconductproblems,learningdisorders,anxietyanddepression1,2.LearnabouthowmanychildrenwithADHDhaveanotherdisorderThecombinationofADHDwithotherdisordersoftenpresentsextrachallengesforchildren,parents,educators,andhealthcareproviders.Therefore,itisimportantforhealthcareproviderstoscreeneverychildwithADHDforotherdisordersandproblems.ThispageprovidesanoverviewofthemorecommonconditionsandconcernsthatcanoccurwithADHD.Talkwithyourhealthcareproviderifyouhaveconcernsaboutyourchild’ssymptoms.TheAmericanAcademyofPediatricsrecommendsEverychildwithADHDshouldbescreenedforotherdisordersandproblems.Readmoreabouttherecommendationshere.BehaviororConductProblemsChildrenoccasionallyactangryordefiantaroundadultsorrespondaggressivelywhentheyareupset.Whenthesebehaviorspersistovertime,oraresevere,theycanbecomeabehaviordisorder.ChildrenwithADHDaremorelikely thanotherchildrentobediagnosedwithabehaviordisordersuchasOppositionalDefiantDisorderorConductDisorder.OppositionalDefiantDisorderWhenchildrenactoutpersistentlysothatitcausesseriousproblemsathome,inschool,orwithpeers,theymaybediagnosedwithOppositionalDefiantDisorder(ODD).ODDisoneofthemostcommondisordersoccurringwithADHD.ODDusuallystartsbefore8yearsofage,butcanalsooccurinadolescents.ChildrenwithODDmaybemostlikelytoactoppositionalordefiantaroundpeopletheyknowwell,suchasfamilymembersoraregularcareprovider.ChildrenwithODDshowthesebehaviorsmoreoftenthanotherchildrenthei