pharynx. Yanshu spraying agent was prepared according to the traditional Chinese
formulation for the treatment of acute pharyngitis. The present study aimed to investigate the
anti-inflammatory effect of Yanshu in xylene-induced ear edema in mice and carrageenan‑
induced paw edema in rats by measuring the degree of edema in the animal models. The
histopathology and the levels of prostaglandin E2 (PGE2) and cycloxygenase-2 (COX-2) in …