Masturbation

I have scrupulosity religious ocd which gets me too much horrible Islamic related thoughts. So im not able to do anthng, not even rest. Now I got in trouble by masturbtion. I did once and now im not able to stop. My thoughts comes like if i didnt do again the sin im going aginst my religion. I knw its not true or i dont want to do bt im not getng my mind free nd im not able to do anithng salh pryer etc. im stuck with these and if i dont do the sin again upto some certain no or date like tht i may not getback to norml.wht i do.these thoughts are not ignored by me even i wnt or i try.it still comes. What do I do?