In medicine, comorbidity is either the presence of one or more disorders (or diseases) in addition to a primary disease or disorder, or the effect of such additional disorders or diseases.
Read more about Comorbidity: In Medicine, Mental Health, Inception of The Term, Synonyms of Comorbidity, Epidemiology of Comorbidity, Causes of Comorbidity, Types of Comorbidity, Structure of Comorbidity, Diagnosis of Comorbidity, Treatment of Comorbid Patient