"Comorbid" refers to the presence of two or more medical conditions or diseases occurring at the same time in a person's body. It means that an individual has multiple health problems together, rather than just one. Full definition
Title: Individual Schema Therapy for high - functioning autism spectrum disorder with comorbid psychiatric conditions in Young Adults: Results of a Naturalistic Multiple Case Study (schematherapysociety.org)
In several prospective studies, our group at Massachusetts General Hospital examined rates of depression in children with ADHD.45 In a 4 - year follow - up, lifetime rates of comorbid depression in children with ADHD increased from 29 % at baseline to 45 % at average age 15. (academic.oup.com)
The drop - out rate among personality disorders with comorbid depression was 41 % and without 30 %. (schematherapysociety.org)