What are controlled substances in the EMS context?

• A. Drugs that are regulated by law due to their potential for abuse and dependence.
• B. Medications available without prescription.
• C. Any drug used in EMS.
• D. Drugs only for veterinary use.

Answer: (A)

Controlled substances in EMS are drugs that are regulated by law due to their potential for misuse and dependence. This regulatory status means they aren’t treated like ordinary medications. They must be stored securely, tracked with careful inventory, and documented from receipt to administration and eventual disposal. Administering them follows approved protocols and often requires additional verification or a second clinician to confirm the dose and record the use. The aim is to prevent diversion and protect patient safety. Examples include fentanyl, morphine, and certain sedatives, which are managed under stricter controls than over-the-counter meds or veterinary-only drugs.