Bile Duct Disease, also known as disorder of bile duct, is related to common bile duct disease and cholangitis, and has symptoms including abdominal pain, constipation and diarrhea. An important gene associated with Bile Duct Disease is MIR21 (MicroRNA 21), and among its related pathways/superpathways are MicroRNAs in cardiomyocyte hypertrophy and miRNA role in immune response in sepsis. The drugs Scopolamine and Fentanyl have been mentioned in the context of this disorder. Affiliated tissues include liver and small intestine.