KnowraObsessive–compulsive disorderLinked fromLinked fromThe 55 pages that link to Obsessive–compulsive disorder, each with the reason it gives.All 55Broader topic 3Related 25Narrower topic 2Compared with 25ObsessionsNarrower topic: Obsessions are a core symptom, but their presence alone does not establish this diagnosis.ArithmomaniaNarrower topic: Arithmomania is commonly understood as a counting compulsion within this disorder.