Cholinergic Urticaria is related to urticaria and angioedema. An important gene associated with Cholinergic Urticaria is CHRM3 (Cholinergic Receptor Muscarinic 3). The drugs Omalizumab and Histamine have been mentioned in the context of this disorder. Affiliated tissues include skin and lung, and related phenotype is Increased shRNA abundance (Z-score > 2).