Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Obsessive-compulsive disorders (OCD) are mental health conditions characterized by recurring unwanted thoughts (obsessions) that lead to repetitive behaviors (compulsions). These obsessions and compulsions can significantly impact daily functioning.
Related terms
Hoarding Disorder: Hoarding disorder is an OCD-related condition characterized by persistent difficulty parting with possessions, regardless of their value. People with hoarding disorder accumulate excessive amounts of items, leading to cluttered living spaces.
Body Dysmorphic Disorder (BDD): BDD is an OCD-related disorder where individuals become excessively preoccupied with perceived flaws in their physical appearance. They may spend hours each day checking or trying to fix these perceived flaws.
Trichotillomania: Trichotillomania is an OCD-related disorder characterized by the urge to pull out one's hair, resulting in noticeable hair loss. This behavior often serves as a way to relieve anxiety or tension.