Promethazine operates on histamine-one (H1) receptors. H1 receptors are existing during the bronchial tubes and within the circulatory program. The attachment of histamine to these receptors triggers bronchoconstriction and amplified vascular permeability, which results in plasma leakage. Remember that this medication has actually been prescribed because your health care provider https://kedarz111sja0.salesmanwiki.com/user