IL6 and COVID-19: In recent reports, TCZ has been used in patients with COVID-19 and severe pulmonary involvement showing encouraging results with reduced ventilatory support requirements, especially in those with cytokine storm and higher IL-6 levels.9,10 The most used medications in COVID-19 patients with renal complications are diuretics, glucocorticoids, antivirus, and renal replacement therapy.3 To our knowledge, preliminary data on TCZ use in kidney complications are very limited.