Primum non nocere is a Latin phrase meaning “first, do no harm.” It is a reminder to physicians that their first priority is to protect their patients. However, this rule can get pushed to the side when the complicated issue of health insurance comes into play. Despite significant and mounting evidence that corticosteroids last only a short time and can actually worsen osteoarthritis, insurance-covered corticosteroid injections are sometimes favored over the less risky and better long-term pain reducing PRP option. Does this circumstance disregard primum non nocere? Read more.