Authors' Thinkframe
- Distinguishing a benign cause of fever and rash from a potentially life-threatening one (is of utmost importance but may be difficult)   
Serious bacterial illness tends to progress quickly, becoming fulminant in hours
Suggestive serious problems:
-  An ill-appearing febrile child
-  A progressive petechial or purpuric rash or diffuse erythema (erythroderma)