I'm posting this after taking Accutane twice but still struggling with acne, and am now wondering if the root cause of my acne may be a food allergy. I took Accutane 5 years ago and had good results. Unfortunately, after having my daughter 2 years ago, my acne came back and is it's usual persistent and scaring self. I took a second course of Accutane, finishing up about 4 months ago. It helped but not as much as the first time. I'm still getting acne, despite using Retin-A and trying just about every single other oral or topical solution both OTC and prescribed by my dermatologist. Recently, a friend of mine mentioned I might have a dairy allergy. I'd tested mildly allergic to 'bovine' products a few years back but per my allergist, if it "didn't make me feel bad, I could still eat it", so I did. Now, I'm wondering if dairy may be a bigger issue for me than I'd like to believe, and could be the root cause of my acne. What is confusing is that after Accutane the first time my skin was beautiful for four years; if dairy was an issue, why would my skin have stayed clear those years? If anyone else has trouble with dairy products and may have a similar history with periods of clear skin then not, I'd love to hear it. I'm going to try nixing dairy anyway, and work on adding in vitamins and other dietary substitutions to see how it goes.