Why isn’t more antibiotics injected rather than oral?

Question

Won’t antibiotics do less harm to our beneficial gut bacteria if it is injected directly into the body rather than go through our digestive tract?

In: 100

Answer 1

Everybody wants to inject when possible, but a lot of the time, you just gotta settle for oral.

But in seriousness, so that people can do regiments at home easily. Many people hate needles, many would have trouble injecting, mess it up. Pills are just easy.