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Genetic and Rare Diseases Information Center (GARD)

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Prurigo nodularis

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Prurigo nodularis is a skin condition characterized by hard crusty lumps that itch intensely.  The exact cause of the condition is unknown. However, it can occur in isolation or as a result of repeated trauma to chronic pruritus (itching). Treatment for the condition can be challenging.[1]
Last updated: 10/25/2011


  1. Prurigo Nodularis. American Osteopathic College of Dermatology. Accessed 10/25/2011.
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Basic Information

  • DermNet NZ is an online resource about skin diseases developed by the New Zealand Dermatological Society Incorporated. DermNet NZ provides information about this condition.

In Depth Information

  • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Prurigo nodularis. Click on the link to view a sample search on this topic.