NSAIDS Ibuprofen, naproxen, nimesulide, indometacin, etc.. NSAIDS Ibuprofen, naproxen, nimesulide, indometacin, etc.. They have 2 fundamental actions: In one side: they reduce pain and fever, but also inhibit antibody production (antibodies mark viruses and allow our body to destroy them). In the other side: NSAIDS also inhibit viral replication namely SARScov's.