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
Scab or crust of abrasion appears brown in:
assistant
The correct answer is  Fresh Raw & Reddish 2 - 24 hours Reddish scab (lymph, blood dries up) 2 - 3 days Reddish brown scab 4 - 5 days Brown scab 6- 7 days Scab falls off. Remember the mnemonic RRRBBB