IL6 and chronic kidney disease: Last, but not least, CKD is a particular condition with a lot of metabolical and immunological changes—uremic toxins like p-cresyl sulfate and indoxyl sulfate, pro-inflammatory molecules such as TNFα, IL6, IL12, alterations of both cellular and humoral immunity, findings that close this vicious cycle, CKD creating the premises of UTIs and UTIs increasing the risk of progression towards ESKD.