止咳、祛痰与平喘作用。小鼠腹腔注射白桦树皮的水、甲醇、乙醚及酸性乙醇的提取物以及乙醚析出物，都有一定的止咳作用。

Arresting cough, expectorant and anti-asthmatic effects. Intraperitoneal injection of water, methanol, ether and acid ethanol extracts of hua shu PI possesses anti-cough effect in mice.

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主要药效学实验结果表明地椒挥发油具有抗炎、平喘、止咳、祛痰及体外抗菌作用。

Preliminary pharmacological investigation the results on rats indicated that the oil has antibiosis, anti-inflammatory, antitussive, antiasthmatic and expectorant effects.

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住院后即予青霉素、庆大霉素及止咳祛痰药治疗。体温逐渐下降。

After admission she was treated with penicillin g, gentamycin and anti-cough drugs together with expectorants. The Body temperature was dropping gradually.

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