Seborrhoeic Dermatitis or Eczema on Cheek While on Course of Accutane (2mg/kg)?

Been on Accutane for 4 months for cystic acne now. I'm 34 but suddenly I started getting a red rash on my forehead & left cheek only. After reading online, I'm assuming its Seborrhoeic dermatitis for three reasons: 1. High Vitamin A can cause Seborrhoeic dermatitis in kids 2. Noticeable dandruff/itchy scalp lately. 3. Not getting better with Curel lotion like hand rash did. I'm using 1% zinc based Head & shoulders over head & face for 2 min. daily & Cerave lotion. What should I do?

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