"Thought suppression" is a common feature of OCD, especially for those with Pure Obsessional OCD (sometimes called "Pure O").  Attempts at thought suppression never work, and actually makes your obsessions worse.  From Kimberley Quinlan's great article on the futility of Thought Suppression.  www.ocdla.com/blog Natural Treatments, Anxiety Causes, Ocd Thoughts, People With Ocd, Obsessive Compulsive Disorder, Anxiety Disorder