Treatment is directed at the cause. For example, asthma , congestive heart failure , and emphysema are usually treated with regular medications to prevent shortness of breath. Lung or blood infections are often treated with antibiotics. Lung cancer may require surgery, radiation therapy , or chemotherapy . People with anemia , or low blood counts, may need a blood transfusion .
All medications have possible side effects.
These may include allergic reactions , stomach upset, and headaches. Specific side effects depend on the medications used. Surgery carries a risk of bleeding, infection, and reaction to any pain medications used. More specific side effects depend on the surgery done. Blood transfusions carry a risk of allergic reactions and infections.