What are scheduled drugs?

(1) Schedule I.-

(A) The drug or other substance has a high potential for abuse.

(B) The drug or other substance has no currently accepted medical use in treatment in the United States.

(C) There is a lack of accepted safety for use of the drug or other substance under medical supervision." [9]

No prescriptions may be written for Schedule I substances, and such substances are subject to production quotas by the DEA.