Pulmonary Hemosiderosis, also known as idiopathic pulmonary hemosiderosis, is related to hemosiderosis and vasculitis, and has symptoms including hemoptysis An important gene associated with Pulmonary Hemosiderosis is PRTN3 (Proteinase 3), and among its related pathways/superpathways are Diseases of glycosylation and C-MYB transcription factor network. The drugs Leflunomide and Immunologic Factors have been mentioned in the context of this disorder. Affiliated tissues include lung and smooth muscle, and related phenotypes are iron deficiency anemia and fatigue