国洛酸为迄今在美国上市的镇痛药中唯一由盲肠道外给药的非留体抗炎药物。本来镇痛效果与鸦片类制品相似，但其对于心血管系统、呼吸系统以及中枢神经系统功能均无严重影响，亦不会发生后者所常见的致盲肠道蠕动减慢等多种副作用，故其在儿科方面的应用令人瞩目。进行了为期4周 Guanoac acid is the only non-steroidal anti-inflammatory drug in the analgesics marketed in the United States so far to be administered outside the cecum. The analgesic effect is similar to that of opiate products, but it has no serious effect on the cardiovascular system, respiratory system and central nervous system function, nor does it cause many of the side effects such as slowed peristalsis of the latter caused by the latter. Its pediatric applications attract people’s attention. For a period of 4 weeks