Clinical Features and Complications of Measles Rash: Spreads downwards, from behind the ears to the whole Of the body. Discrete, maculopapular rash initially, becomes blotchy and confluent. May desquamate in the second week. Koplik's spots: White spots on buccal mucosa, seen against bright red background. Pathognomonic, but difficult to see. #Measles #Diagnosis #Kopliks KoplikSpots #Peds #Pediatrics #Timeline #Signs #Symptoms