The differential should include other causes of hemolysis, such as that found in non-immune hemolytic anemia including intrinsic red cell defects, hemolysis due to extrinsic factors (ie trugs or toxins) as well as mechanical damage hemolytic anemia as found in DIC and HUS.
The best initial antibiotic choice is thought to be a macrolide. Macrolides provide the best coverage for the most likely organisms in community-acquired bacterial pneumonia (CAP). Macrolides have effective coverage for gram-positive, Legionella, and Mycoplasma organisms. Azithromycin administered intravenously is an alternative to intravenous erythromycin.
Viral pneumonia and aspiration pneumonia are treated with anti-viral medications and treatment for any secondary opportunistic bacterial infections with antibiotics. Anti-fungal medications are given for the fungal pneumonias, and secondary bacterial infections can also accompany these types.The rare parasitic pneumonia is usually treated with antibiotics. The most common cases of this are among the immunocompromised, like those with HIV/AIDS.iral pneumonia and aspiration pneumonia are treated with anti-viral medications and treatment for any secondary opportunistic bacterial infections with antibiotics. Anti-fungal medications are given for the fungal pneumonias, and secondary bacterial infections can also accompany these types.