There is provided a method of treating an inflammatory response to infection and complications associated therewith, by administering a proprotein convertase subtilisin kexin 9 (PCSK9) inhibitor to a subject, in need thereof. There is also provided a method of treating or preventing treating or preventing renal failure; renal dysfunction; respiratory failure; respiratory dysfunction; or acute lung injury. Provided herein are uses, pharmaceutical compositions, and commercial packages associated therewith.