Central Distribution, Febrile / Ill: - Viral Exanthem - Lyme Disease (erythema migrans) Central Distribution, Afebrile, non-ill: - Drug Reaction - Pityriasis (herald patch) Peripheral Distribution, Febrile / Ill, Target Lesions: - Stevens-Johnson Syndrome - Erythema multiforme Peripheral Distribution, Febrile / Ill, No Target Lesions: - meningococcaemia - Syphilis - Lyme Disease (erythema migrans) Peripheral Distribution, Afebrile / non-ill, flexor distribution: - Scabies - Eczema Peripheral Distribution, Afebrile / non-ill, extensor distribution: - Psoriasis Infographic by Dr. Sam Birks @ https://twitter.com/BirksMD #Maculopapular #Macular #Macules #Papules #Rash #Algorithm #Diagnosis #Dermatology #Skin
