While you cannot simply "buy" it without a doctor's evaluation, you can legally obtain it through established medical channels:
Promethazine and codeine (oral route) - Side effects & dosage can i buy promethazine codeine syrup online
Buying promethazine codeine syrup online is only legal if you have a valid prescription from a licensed healthcare provider . In the United States, this medication is classified as a due to its potential for abuse and dependency. Legitimate Online Options While you cannot simply "buy" it without a