This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psoriasis, Subject name: Dental
Treatment of pustular psoriasis is:- 
Select and explain. 
A. Thalidomide, B. Hydroxyurea, C. Retinoids, D. Steroids
C: Retinoids
Answer: C: Retinoids 
Explanation: Most cases of GPP (Generalised Pustular Psoriasis) require systemic therapy. Retinoids--> TOC Response to high doses of acitretin (1 mg/kg/day) is rapid and lower doses of 0.5-0.75 mg/kg/day, sufficient to maintain control. Acitretin> Methotrexate Other drugs used are Cyclosporine ,Colchicine, Razoxane, Dapsone TNF-antagonists, and Basiliximab, an antibody directed at the IL-2 receptor, rapidly control acute GPP. Systemic steroids are C/I in psoriasis.