The active ingredients in Actavis promethazine with codeine syrup are promethazine hydrochloride and codeine phosphate [1]. Promethazine hydrochloride is an antihistamine, and codeine phosphate is a narcotic cough suppressant [2].
What is promethazine with codeine used for?
Promethazine with codeine syrup is prescribed to relieve symptoms of the common cold and allergies, such as coughing, sneezing, runny nose, and itchy throat [2]. It is also used to alleviate nausea and vomiting and as a sedative before medical procedures [2].
How does promethazine with codeine work?
Promethazine, an antihistamine, works by blocking the effects of histamine, a substance in the body that causes allergic symptoms [2]. Codeine, an opioid cough suppressant, acts on the cough center in the brain to reduce the urge to cough [3].
Can you buy promethazine with codeine over the counter?
Promethazine with codeine syrup is a prescription-only medication [2]. It is not available for purchase over the counter due to the presence of codeine, a controlled substance [4].
Where can I find more information on drug ingredients and patents?
Information regarding drug ingredients, formulations, and patent exclusivity for various medications, including those with codeine, can be found on DrugPatentWatch.com [5].