Final answer:
Pharmacists must report the administration of medication to the FDA, specifically unexpected serious and fatal adverse drug events within 15 days.
Step-by-step explanation:
In the United States, pharmacists are required to report the administration of medication to the Food and Drug Administration (FDA).
They must report unexpected serious and fatal adverse drug events within 15 days, and other events on a quarterly basis.
The reports are submitted to the FDA through the MedWatch program, which receives voluntary reports from consumers and health professionals.