答:消炎痛1963年用于临床,主治类风湿性关节炎,实践证明有较强的消炎、解热和镇痛作用。但是它也有一定的毒性反应,所以目前仅适用于对水杨酸类制剂无效或不宜使用水杨酸类制剂的患者。服用该药有35～50%病人出现不良反应,有20%病人被迫停药,也有报道其不良反应发生率高达76.9%。不良反应中除偶有造血系统反应、肝功损害、皮肤过敏反应及诱使潜伏病复发等外,最常见的不良反应就是胃肠 A: Indomethacin for clinical use in 1963, attending rheumatoid arthritis, proved to have a strong anti-inflammatory, antipyretic and analgesic effect. But it also has a certain toxicity, so for the time being only for salicylic acid formulations invalid or unfavorable use of salicylic acid formulations of patients. 35 to 50% of patients take the drug had adverse reactions, 20% of patients were discontinued, there were also reports of adverse reactions as high as 76.9%. Adverse reactions in addition to occasional hematopoietic reaction, liver damage, allergic skin reactions and induced latent disease recurrence, the most common adverse reactions are gastrointestinal