Promethazine Uses, Dosage Side Effects - Drugs. com Promethazine is a phenothiazine and antihistamine used to treat allergies, motion sickness, nausea, and as a sedative or sleep aid by altering brain chemicals
Promethazine and Codeine: Package Insert Prescribing Info - Drugs. com Promethazine with Codeine Oral Solution is a combination of codeine, an opioid agonist; and promethazine, a phenothiazine, indicated for the temporary relief of cough and upper respiratory symptoms associated with allergy or the common cold in patients 18 years of age and older
Promethazine DM Uses, Side Effects Warnings - Drugs. com What is Promethazine DM? Dextromethorphan is a cough suppressant Promethazine is an antihistamine Promethazine DM is a combination medicine used to treat cough, stuffy nose, runny nose, and sneezing caused by colds or allergies