A drug that is dangerous but has some medical use would be placed in which CSA schedule?

• A. Schedule II
• B. Schedule I
• C. Schedule III
• D. Schedule IV

Answer: (A)

Classification under the CSA is based on abuse potential and medical use. A drug that is dangerous but has some medical use fits Schedule II, because these drugs have a high potential for abuse and dependence, yet they also have accepted medical uses with strict controls. This is why they require stringent prescribing rules and monitoring.

In contrast, Schedule I drugs have no accepted medical use and the highest abuse potential, while Schedule III and Schedule IV describe drugs with lower abuse potential and still accepted medical uses, making them less dangerous in terms of abuse risk than those in Schedule II.