Guaifenesin is the sole expectorant authorised for use in The usa. As a single-symptom treatment, it are available over the counter as: codeine cough syrup available, promethazine cough syrup for sale, 666 cough syrup available, actavis cough syrup for sale, actavis promethazine codeine cough syrup on the market, codeine promethazine https://chrisg790vso7.shivawiki.com/user