Promethazine in my experience has never showed on a drug screen (UA) as anything. It is a phenothiazine, used for nausea, and some allergy symptoms, as well as motion sickness. I take it and take random Urine Analyses at my Methadone clinic and on probation, and it does not show. It isn't a controlled substance or a narcotic either. However, it does enhance certain medications like Benzodiazepines and opiates. Everyone has different reactions to medications, so you never know, and I have had false readings on UAs.
*****I am not a healthcare professional and the information I have stated is based on personal experience alone.*****
- Promethazine Information for Consumers
- Promethazine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Promethazine (detailed)
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