I expect that was meant to be "pathogenic" (unless you wanted to hurt the feelings of those rotten bacteria). And yes, it's not a complete reset, just a big res

I expect that was meant to be "pathogenic" (unless you wanted to hurt the feelings of those rotten bacteria). And yes, it's not a complete reset, just a big reshuffle, so it's certainly a good idea to eat lots of fiber and fermented foods during and after a course of antibiotics to try and re-establish a healthier gut microbiome.