An animal toxicity drug label note does not automatically become a warning. Regulators weigh human relevance, the gap between animal and human exposure, and whether clinical data show a matching signal. When the animal hazard is credible but the human case stays weak, the note often settles in section 13.2 of the prescribing information instead of Warnings and Precautions. Why an animal toxicity drug label note is not the same as a warning Most readers open a prescribing information expecting the label to be a clean summary of everything unsafe about a medicine. It is not. Drug labeling is selective by design. The nonclinical file from a full repeat-dose toxicology…