Type of disease: Rare conditions
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. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.