Which schedule discusses radiopharmaceuticals according to FDA regulations?

The correct choice pertains to Schedule C, which addresses radiopharmaceuticals under FDA regulations. This schedule specifically includes drugs that are primarily intended for diagnostic or therapeutic purposes and contain radioactive substances. The inclusion of radiopharmaceuticals is critical because these compounds are subject to stringent regulations given their unique safety and efficacy considerations related to their radioactive properties.

Radiopharmaceuticals are often used in medical imaging and treatment, and the regulations laid out in Schedule C ensure that they are manufactured, handled, and administered safely in clinical settings. This schedule is set to protect patients by ensuring that these substances meet specific purity and potency criteria, thus contributing significantly to patient care in diagnostic and therapeutic environments.

Other schedules do not focus on radiopharmaceuticals; for instance, Schedule A typically addresses drugs with different therapeutic uses, whereas Schedule B may cover substances that are not usually regulated in the same way as radiopharmaceuticals. Understanding the distinctions in these schedules helps in navigating pharmaceutical regulations effectively.