I am 42 years old and have severe back acne that is not going away. I have always had the occassional breakout on my back since I was a teenager. But I have had a severe case for 4 years now. I have tried everything and wonder if it could be diet related. My periods are regular and I have had my harmones tested and they are all in the normal range. I do break out on my face but it can be controlled with topicals. I have had moderate acne since I went through puberty. I tried accutane and it did not work. I have been on every type of antibiotic used for acne. I am hypothyroid (diagnosed in 2000 after the birth of my son) and am on levothroid (synthroid) .125mgs. Would love to have clear skin for once in my life!