What schedule does phendimetrazine belong to?

Phendimetrazine is classified as a Schedule II controlled substance. This scheduling indicates that phendimetrazine has a high potential for abuse which may lead to severe psychological or physical dependence. This fits into the criteria established by the Controlled Substances Act.

Schedule II substances, such as phendimetrazine, are recognized for their accepted medical use in the treatment of certain conditions, but with strict regulations surrounding prescribing and dispensing practices. Typical examples in this schedule include narcotics and stimulants, which are commonly used in managing conditions like obesity or attention deficit disorders, but require careful oversight due to their potential for misuse.

In contrast, schedules I, III, and IV contain substances that are considered to have varying levels of abuse potential and clinical efficacy, with Schedule I being the most restricted. Schedule III includes drugs that are less strictly controlled but still require a prescription, while Schedule IV contains substances that have a lower risk of dependence compared to those in Schedule II. Hence, the classification of phendimetrazine as a Schedule II highlights the balance between its therapeutic potential and the necessity for careful regulatory measures to prevent abuse.