How promethazine / codeine works
Promethazine / codeine is a combination of two medications: promethazine and codeine. Promethazine is a phenothiazine medication that blocks the signals in your brain and body causing you to experience cold and allergy symptoms like a runny nose and sneezing. Codeine is an opioid medication that works in your brain to lessen your urge to cough.
What is promethazine / codeine used for?
- Respiratory symptoms caused by allergies or the common cold, including cough, runny nose, and sneezing