Dermatographia

Dermatographia, also known as dermatographic urticaria, is related to conjunctivitis and chronic rhinitis, and has symptoms including darier's sign and integumentary system signs and symptoms. An important gene associated with Dermatographia is PRG2 (Proteoglycan 2, Pro Eosinophil Major Basic Protein), and among its related pathways/superpathways are Innate Immune System and Hematopoietic Stem Cells and Lineage-specific Markers. The drugs Omalizumab and Immunologic Factors have been mentioned in the context of this disorder. Affiliated tissues include skin and brain, and related phenotypes are immune system and hematopoietic system