This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
A patient with psoriasis was started on systemic steroids. After stopping the treatment, patient developed universally red scaly skin with plaques losing their margins all over his body. The most likely cause is – 
Select and explain. 
A. Drug induced reaction, B. Pustular psoriasis, C. Bacterial infection, D. Erythrodermic Psoriasis
D: Erythrodermic Psoriasis
Answer: D: Erythrodermic Psoriasis 
Explanation: Clues in this question are -


Withdrawal of steroids
Plaques losing their margins
Generalized lesion


All suggest erythrodermic psoriasis.