Nasopharyngitis, also known as chronic nasopharyngitis, is related to common cold and rhinitis. An important gene associated with Nasopharyngitis is DPP4 (Dipeptidyl Peptidase 4), and among its related pathways/superpathways are Innate Immune System and Signal Transduction. The drugs Antipyretics and Pharmaceutical Solutions have been mentioned in the context of this disorder. Affiliated tissues include lymph node and prostate, and related phenotypes are homeostasis/metabolism and liver/biliary system