This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous disorders, Subject name: Dental
Drug of choice for impetigo herpetiformis is - 
Select and explain. 
A. Prednisolone, B. Dapsone, C. Acitretin, D. Methotrexate
A: Prednisolone
Answer: A: Prednisolone 
Explanation: Only indication for use of systemic steroids is generalized pustule psoriasis in pregnancy( impetigo herpetiformis). From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 56