Does roaccutane cause skin texture to become bumpy and thick?

i am on week 3 of roaccutane. I have mild facial acne, that's cystic at times but mostly lots of blackheads around my jawline and cheeks. Before accurate I had fairly smooth skin over all but bumps from the spots, now I my cheeks and jawline skin texture is bumpy with little blackheads, and my skins thick and not smooth to touch. Is this normal?

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