Yes, your doctor is the right person to tell. If you've had counselling and it didn't work before, maybe you didn't stick at it long enough, maybe the counsellor was the wrong one for you or maybe the method the counsellor used didn't suit you. In any case, the doctor can refer you to someone he thinks is appropriate...psychiatrists, psychologists etc.
Do you have anyone you can take with you for support? That can sometimes help if you are nervous. If you don't have anyone to go with you then writing things down may be helpful if you feel you wont be able to get it out in words. I wish you the best!
((Hugs))
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