pure OCD / pure O
Pure O stands for 'purely obsessional'. People sometimes use this phrase to describe a type of OCD where they experience distressing intrusive thoughts but there are no external signs of compulsions (for example checking or washing). The name is slightly misleading as it suggests that there are no compulsions at all. If you have Pure O you will still experience mental compulsions but you might not be aware of them. Because they are not as obvious as physical compulsions, it can sometimes be difficult to define exactly what these compulsions are.
Please note: 'Pure OCD/O' is like any other form of OCD, it will involve both obsessions and compulsions, and treatment approaches would be no different. A person doesn't need a 'Pure OCD/O' specialist. It should be treated using standard traditional treatment methods, the same that are used for every other type of OCD.