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目的观察氢溴酸右美沙芬缓释胶囊的镇咳作用及镇咳作用时间。方法用豚鼠枸橼酸引咳法、小鼠氨水引咳法观察其长效镇咳作用。结果氢溴酸右美沙芬缓释胶囊镇咳作用可持续4h。结论氢溴酸右美沙芬缓释胶囊具有持久而有效的镇咳作用。
Objective To observe the antitussive effect of dextromethorphan hydrobromide sustained-release capsules and the antitussive action time. Methods Guinea pig citric acid cough-inducing method, mouse ammonia cough method to observe its long-acting antitussive effect. Results dextromethorphan hydrobromide sustained-release capsules antitussive effect sustainable 4h. Conclusion Dextromethorphan hydrobromide sustained-release capsules have a long-lasting and effective antitussive effect.