Obsessive–compulsive disorder
SpecialtyPsychiatry
SymptomsFeel the need to check things repeatedly, perform certain routines repeatedly, have certain thoughts repeatedly
ComplicationsTics, anxiety disorder, suicide
Usual onsetBefore 35 years
CausesUnknown
Risk factorsChild abuse, stress
Diagnostic methodBased on the symptoms
Differential diagnosisAnxiety disorder, major depressive disorder, eating disorders, obsessive–compulsive personality disorder
TreatmentCounseling, selective serotonin reuptake inhibitors, tricyclic antidepressants
Frequency2.3%