Hang in there! I've been in your shoes before. Keep going to the derm and you'll eventually have your acne cleared. It took me many visits to the dermatologist before I found what worked for me. Now i've got clear skin and all that acne is now just a bad nightmare.
I've been going to my dermatologist for 1 year. My doctor told me that Tazorac will help my old acne scars. I am using Tazorac currently, I've been using it for about 6 months. I think it does help some, but it is a slow process in my opinion.