不安宁腿(Restless leg)综合征是以腿部不适,如刺痛、牵拉或异物爬行感和有时肌阵挛为特征。症状总是出现在休息时,活动时可暂时减轻。本病常见于中年人,但有时青少年也可受累。目前尚无有效治疗方法。作者以双盲交叉法比较了服用左旋多巴及羟苄丝肼(benserazide,脱羧酶抑制药)与安慰剂乳糖对20例 Restless leg syndrome is characterized by leg discomfort, such as stinging, pulling or foreign body creep and sometimes myoclonus. Symptoms are always present at rest, temporarily relieved during activity. The disease is common in middle-aged people, but sometimes teens can also be involved. There is currently no effective treatment. The authors compared double-blind crossover with levodopa and benserazide (decarboxylase inhibitor) and placebo lactation in 20 patients