Pepcid AC, an over the counter drug, contains famotidine, which is also a 3CLpro protease inhibitor (but testing didn't seem to indicate it would work against c

Pepcid AC, an over the counter drug, contains famotidine, which is also a 3CLpro protease inhibitor (but testing didn't seem to indicate it would work against covid). It's been used in humans for many many years...