Guaifenesin (By mouth) gwye-FEN-e-sin Thins mucus so you can clear it from your head, throat, and lungs. Drug classes Expectorant (About this…
Guaifenesin
Guaifenesin (By mouth) gwye-FEN-e-sin Thins mucus so you can clear it from your head, throat, and lungs. Drug classes Expectorant (About this…