Yes. Promethazine is a Schedule V controlled substance under the Federal Controlled Substance Act. It is often combined in a syrup with codeine, and if so, then the combination is a Schedule II controlled substance. (And by the way, it is BOTH an antihistamine AND an antiemetic).
- Promethazine Information for Consumers
- Promethazine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Promethazine (detailed)
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