0 interactions for Promethazine Hydrochloride And Dextromethorphan Hydrobromide - Promethazine Hydrochloride And Dextromethorphan Hydrobromide syrup®A therapy excluded from this list of known interactions does not necessarily mean that no interactions exist between that therapy and and Promethazine Hydrochloride And Dextromethorphan Hydrobromide - Promethazine Hydrochloride And Dextromethorphan Hydrobromide syrup®.