What has caused my face to change so rapidly and can it be fixed? (Photo)

Within a matter of 4 months it seems my pores have doubled in size, the texture of my face has taken on an "orange-peel" appearance, and a massive breakout happened all over my face where I've never had breakouts or acne before. My dermatologist is helping me with the acne (Tazorac, oral & topical antibiotics) for the past two weeks. My question is is this kind of change normal in such a short time? Do I have a chance of going back to how it was before, and if so, is my current treatment enough?

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