Table 1

Description of obsessions and compulsions

ObsessionsCompulsions
DefinitionRecurrent, unwanted and persistent thoughts, images or urges that cause marked distressRepetitive behaviours or mental acts that are often driven by rigid rules and performed in an attempt to reduce anxiety
Common themesContaminationWashing and cleaning
Aggressive/harmChecking
SexualReassurance seeking
ReligiousRepeating
Making things ‘just right’Ordering and arranging