The presence of one or more disorders (or diseases) in addition to a primary disease or disorder.(noun)
The effect of such additional disorders or diseases.(noun)
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Use "comorbidity" in a sentence
"There's a lot of overlap with obsessive-compulsive disorder, what they call comorbidity -- depression, eating disorders, sometimes ADHD."
"And then you see it ` s called comorbidity where you have two diagnoses together."
"Older prostate cancer patients have a high prevalence of other factors (such as comorbidity, disability, and geriatric syndromes) that can impact life expectancy and tolerance to treatment."