system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The only definitive indication of systemic steroids in psoriasis-
assistant
The correct answer is  Only indication for use of systemic steroids is generalized pustular psoriasis in pregnancy ( impetigo herpetiformis). IADVL textbook of dermatology page 1049