Little Known Facts About Promethazine codeine syrup.
Promethazine Promethazine competitively antagonize H1 receptors situated in the majority of the easy muscle such as the gastrointestinal tract, uterus, substantial blood vessels and bronchial muscle mass.The dosage of Promethazine with Codeine Oral Answer should not be enhanced if cough fails to reply; an unresponsive cough must be reevaluated for