Which agency's regulations must be followed for drugs that are considered dangerous?

The agency responsible for regulating drugs that are considered dangerous is the Food and Drug Administration (FDA). The FDA ensures the safety, efficacy, and security of drugs, including those that may pose significant risks if misused or improperly managed. This agency sets the standards and guidelines for the approval and monitoring of medications, including their labeling, manufacturing practices, and usage, which is crucial for protecting public health.

Drugs classified as dangerous often include those with a high potential for misuse or that require careful regulation due to their effects on health. The FDA's regulations ensure that healthcare providers and patients have access to necessary information about the risks and benefits associated with these drugs.

While the other agencies mentioned have important roles related to health and safety, their primary functions differ. The DEA focuses on controlled substances and their legal handling, which complements but does not replace the FDA’s comprehensive regulatory authority over all pharmaceuticals. The HRSA deals with health resources and service access, and the CDC specializes in disease control and prevention rather than direct drug regulation.