The symptoms and details given by you are a bit sketchy. Firstly OCD is a bit sticky disorder and does not get cured completely. It has its ups and downs mainly linked to the intensity of stress in your life.
Since you have been taking medicine for six years did it reduce the OCD to manageable level. CBT is normally more effective with OCD.
Now if something new is bothering you then , do not stop medicines, but consult a Psychologist.
Next Steps
Consult a Psychologist
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Just remember OCD is a bit cyclic. It may be distressing you now, but with additional therapy , you can get relief.