Obsessive Compulsive Disorder (OCD) Support Group
Obsessive-compulsive disorder (OCD) is a psychiatric disorder, more specifically, an anxiety disorder. OCD is manifested in a variety of forms, but is most commonly characterized by a subject's obsessive (repetitive, distressing, intrusive) thoughts and related compulsions (tasks or rituals) which attempt to neutralize the obsessions.
When you get a thought like this,please remember to breathe, but do night fight the thought as that will make it worse.
If you get a chance please try to read "Imp Of The Mind". It is a great insight to obsessive thoughts.