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KMID : 1189420040170020072
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Journal of Korean Oriental Medical Ophthalmology & Otolaryngology & Dermatology
2004 Volume.17 No. 2 p.72 ~ p.80
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Therapeutic Effects of Lizhongtang plus Baidusan Extract in Rats with Allergic Rhinitis
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Lee Sang-Moon
Choi In-Hwa
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Abstract
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Background and Objectives: Recently the incidence of allergic rhinitis has increased but treatment in most cases has only dealt with the symptoms. Medicine has been developed that shows fewer side effects. However, some side effects and the psychological stress over taking medicine have remained. There have been no studies so far performed on the effect of Lizhongtang plus Baidusan Extract. This study aimed to find out the therapeutic effects of its exclusive use in rats with Allergic Rhinitis.
Materials and Methods : Thirty Sprague-Dawley rats were divided into three groups: the control group, the cetirizine HCI group and the sample group. To induce allergic rhinitis in the control group, the cetirizine HCI group and the sample group, rats were sensitized intraperitoneally with 0.1% ovalumin solution 3 times at an interval of I week. Then intranasal sensitization was performed by diffusing 0.1% ovalumin solution 3 times at an interval of 2 days. After that time, rats of the cetirizine HCI group were orally administered with cetirizine HCI. Rats of the sample group were treated with Lizhongtang plus Baidusan Ex. for 28 days. We observed changes in nasal mucosa and submucosa. Also we found changes in the segment of neutrophil and lympocyte in Leukocyte. We used the statistical methods of ANOVA test(p 〈0.05).
Results: The loss of the cilium and the secretion of mucus in the treated group was rare when compared to control group. Effects of Lizhongtang plus Baidusan Ex. on the liver function were also studied in rats. Treatment of Lizhongtang plus Baidusan Ex. did not affect AST and ALT. The segment of neutrophil was significantly increased in the treated group when compared with the control group and the cetirizine HCI group(p 〈0.05). The segment of lympocyte was significantly decreased in the treated group when compared with the control group and the cetirizine HCI group(p 〈0.05).
Conclusion: This study shows that Lizhongtang plus Baidusan Ex. decreases the inflammatory response in rats with Allergic Rhinitis.
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KEYWORD
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Allergic Rhinitis , Lizhongtang plus Baidusan , Morphological changes of nasal mucus
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