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

Doctor here. A lot of antibiotics we give are an injection and through an IV. They are systemic and still affect your digestive tract and there is still risk for diarrhea and even overgrowth of bad bacteria like clostridium difficile.