“七年之痒”这个说法来源于一种难治的皮肤病——疥疮，这种症状可以持续7年之久。

Originally, the “seven-year itch” referred to an untreatable skin condition called scabies that lasted seven years.

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未处理感染疥疮，尤其是婴幼儿、老年患者固定、艾滋病及其他免疫受损病人能够支持大量女性螨。

Untreated scabies infestations, especially in infants, immobilised geriatric patients, AIDS and other immunologically compromised patients can support huge Numbers of female mites.

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一种药物，通过其使肠内胆汁酸泌结以及促进它们分泌的能力，用以降低血清内胆固醇浓度以及治疗与黄疸病相关的疥疮。

A drug used to lower serum cholesterol levels and treat itching associated with jaundice through its ability to bind intestinal bile acids and promote their excretion.

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