Aczone and Epiduo are drying out my face TERRIBLY. (photos)

I recently went to a dermatologist for my cystic acne. She was in & out in under 5 minutes. She prescribed me below (for the am only) as follows: 1. Wash with my own cleanser (Murad clarifying cleanser with 1.5% Saliyclic acid) 2. Use aczone. 3. Use finacea. At night She told me to wash with my cleanser and then use epiduo. My issue is my skin is BURNING, turning bright red and is extremely dry and starting to flake! I'm not sure what to do as my dermatologist is not returning my phone calls!

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