咳嗽是呼吸道疾病最常见的症状。然而，标准的抗咳嗽药对治疗某些慢性干咳往往是无效的。尽管可待因是一种有效的咳嗽抑制剂，但它具有镇静作用，会抑制胃蠕动，且可能成癌，因此并不是长期或间断性控制咳嗽的理想用药。最近有研究表明，巴氯芬（baClofe）通过作用于中枢部位而 Cough is the most common symptom of respiratory disease. However, standard anti-cough medications are often ineffective in the treatment of certain chronic dry coughs. Although codeine is a potent cough suppressant, it has a sedative effect that inhibits gastric motility and may become cancerous and therefore not an ideal medication for long-term or intermittent cough control. Recent studies have shown that baClofe acts on the central part of the body