What situations might cause a sufferer to experience OCD?

OCD sufferers experience their compulsions, anxiety and rituals wherever they go, however, their location may however produce heightened anxiety which can exacerbate their OCD.

If an OCD sufferer obsesses about cleanliness for example, exposure to a place which appears 'unclean' could worsen the symptoms, however, most OCD sufferers prepare for this kind of eventuality by carrying hand wipes, disinfectant, changes of clothes etc.