Narcotic biphasic release compositions and methods for treatment of coughing, sneezing, rhinorrhea, and/or nasal obstruction

摘要

The present invention relates to compositions that comprise immediate release and extended release guaifenesin, and extended release hydrocodone bitartrate. The present invention also includes methods for using these compositions for treatment of patients suffering from, for example and without limitation, coughing, sneezing, rhinorrhea, and/or nasal obstruction.