In comparison to the general population, chronic inflammatory rheumatic diseases are more often associated with various comorbidities. Due to the important impact of these pathologies on the quality of life, on the choice of treatment and on the response to the latest, they need to be searched for actively. In this article, we present some of these comorbidities, as well as propositions for their management. We discuss the cardiovascular diseases, neoplasia, infections, interstitial lung disease and osteoporosis.