Background: Chronic obstructive pulmonary disease (COPD) is a typical preventable and treatable lifestyle-related disease with high global predominance. COPD is associated with significant morbidity and mortality worldwide. Comorbidities are important events in the natural history of the disease and adversely affect the morbidity and mortality of COPD patients. Cardiovascular diseases, lung malignant growth, osteoporosis, and wretchedness are normal comorbidities reported for COPD. Recently, anemia has been perceived as a frequent comorbidity in COPD patients