Idiopathic pulmonary<unk>  must be differentiated from other diseases that cause alveolar hemorrhage,  such as those include infectious etiologies( ARDS, Streptococcus pneumonia, Staphylococcus aureus, and legionella, influenza A and Pneumocystis jirovecii), rheumatic diseases such as systemic lupus erythematosus, antiphospholipid antibody syndrome, Goodpasture disease, microscopic granulomatous polyangiitis, and mixed cryoglobulinemias, drug-induced injury in medications such as medication such as amiodarone, nitrofurantoin, and infliximab, Penicillamine, or from thromboembolic disease, bleeding disorders, and neoplasms.
Hemosiderosis differential diagnosis
Hamman-Rich syndrome differential diagnosis
Lead poisoning differential diagnosis
Polycythemia differential diagnosis
Encephalopathy differential diagnosis
Macrocytic anemia differential diagnosis
Cavernous angioma differential diagnosis
Meningitis differential diagnosis