má huáng sù / cháng / bèi / yòng yú / zhì liáo / xiào chuǎn / dàn / xū yào / yán gé / kòng zhì / jì liàng麻黄素常被用于治疗哮喘,但需要严格控制剂量。Ephedrine is often used to treat asthma, but the dosage must be strictly controlled.