They break the wall by blocking the enzymes that build it, like sabotaging a construction crew. But beta-lactamase is the bacteria’s tool to cut up those antibiotics, rendering them useless. That's why, when my son had a stubborn infection last monsoon, the doctor immediately prescribed a combination drug with a beta-lactamase inhibitor. My own father would have just taken the basic penicillin and suffered longer—affording the newer medicine is a quiet privilege that eases this father’s worry.
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