Guaiacol Carbonate acts as an expectorant by virtue of a reflex from the stomach by way of the afferent gastric nerves to the medullary centres and thenperipherally again to the respiratory tract[1].
[1]. Stevens ME, et al. On the Expectorant Action of Creosote and the Guaiacols. Can Med Assoc J. 1943;48(2):124-127.
















