LITTLE KNOWN FACTS ABOUT PROMETHAZINE FOR SALE.

Promethazine functions on histamine-one (H1) receptors. H1 receptors are existing from the bronchial tubes and inside the circulatory system. The attachment of histamine to those receptors brings about bronchoconstriction and enhanced vascular permeability, which results in plasma leakage.You should not use codeine When you've got critical respirat