[Effect of Huaisanzhen on central analgesic transmitters in the rat of the nerve root pain caused by protrusion of lumbar intervertebra disc].

Objective: To search the mechanism of Huaisanzhen in treating the nerve root pain caused by protrusion of lumbar intervertebra disc.

Methods: Sixty male SD rats were randomly divided into a normal control group, a sham operation control group, a model control group, an aspirin-DL-lysine control group, a routine body acupuncture group, and a Huaisanzhen treatment group. The aspirin-DL-lysine control group, the routine body acupuncture group and the Huaisanzhen treatment group were treated by aspirin-DL-lysine through intramuscular injection, routine acupuncture and Huaisanzhen therapy, respectively.