BUY CODEINE - AN OVERVIEW

Promethazine is effective on histamine-1 (H1) receptors. H1 receptors are current inside the bronchial tubes and in the circulatory method. The attachment of histamine to those receptors will cause bronchoconstriction and enhanced vascular permeability, which results in plasma leakage.Promethazine may be applied to relieve allergy signs and symptom