When they kill off the bacteria, toxins are released which your body has to get off. They are definitely preferably to antibiotics, definitely, but if your body is in a compromised state, it may have trouble getting rid of these toxins.

I found that the pine pollen killed off my candida. I've also learnt that as the body improves, things like gut bacteria comes in alignment and your body's own immune system gets rid of the bad stuff.

Maybe ask cdnuts for his input here to see what he thinks.