demulcent

What thing is the demulcent stick that uses after the operation? Why to use with respect to indolence? What principle?

手术后使用的镇痛棒是什么东西?为什么用了就不痛了?什么原理?。

Accordingly, the packing appropriate of centre analeptic is given priority to with red base wither, solve those who heat up demulcent medicine to pack give priority to fundamental key with blue.

因此，中枢兴奋药的包装宜用红色为主基凋，解热镇痛药的包装则用蓝色为主基调。