Qualitest Promethazine with Codeine: Understanding its Uses and Effects
Qualitest Promethazine with Codeine is a prescription cough syrup that combines two active ingredients: promethazine and codeine. Promethazine is an antihistamine that helps to alleviate allergy symptoms like itching, sneezing, and runny nose. Codeine is an opioid pain reliever that also mutes coughs. Together, these ingredients provide relief from