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The term morbilliform refers to a rash that looks like measles. The rash consists of macular lesions that are red and usually 2–10 mm in diameter but may be confluent in places.[1]

Patients with measles will have the rash but there are other syndromes and infections that will display the same symptom such as patients with Kawasaki disease,[2] meningococcal petechiae or Waterhouse-Friderichsen syndrome,[2] Dengue, congenital syphilis,[3] rubella,[2] Echovirus 9,[2] drug hypersensitivity reactions (in particular with certain classes of antiretroviral drugs, such as abacavir and nevirapine, and also the antiepileptic drug phenytoin), or other conditions may also have a morbilliform rash.


  1. ^ Primary Care Dermatology Module. Nomenclature of Skin Lesions The University of Wisconsin. Department of Pediatrics. Retrieved on Nov 30, 2009
  2. ^ a b c d > morbilliform rash Retrieved on Nov 30, 2009
  3. ^ American Family Physician Sept 1st 2012 Vol 86 No 5 pp381-482 Syphilis: A re-emerging infection.

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