What’s the Difference Between Codeine and Promethazine Cough Syrup?
BuzzRx
NOVEMBER 29, 2022
Please continue reading to get answers to some frequently asked questions about these medications, including dosage, possible side effects, and risks. Promethazine works by preventing the effects of histamine, a natural substance in the body created by immune cells that causes symptoms like sneezing, runny nose, coughing, and watery eyes.
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