Which of the following must be included in package inserts?

The inclusion of clinical pharmacology information in package inserts is essential because this section provides healthcare professionals with critical insights into how the drug works in the body, its mechanisms of action, and its effects on various biological systems. Understanding the pharmacokinetics and pharmacodynamics of a medication aids in making informed decisions regarding dosing, efficacy, and safety. This information is vital for ensuring appropriate use and managing potential side effects or interactions with other medications.

The package insert serves as an authoritative source of information that healthcare providers rely on for prescribing and counseling patients, making the clinical pharmacology section a key component. Other options do not typically appear in package inserts, as they do not provide the relevant scientific and therapeutic details necessary for healthcare professionals.