相传痘疮稀少，不过数十粒，或百余粒，根颗圆绽者，以为状元痘，可不服药。遇则以为三、四日间，亦须用辛凉解毒药一帖，无庸多服；七、八日间，亦宜用甘温托浆药一帖，多不过二帖，务令浆行满足。所以然者何？愚尝见稀少之痘，竟有浆行不足，结痂后患目，毒流心肝二经，或数月，或半年后，烦躁而死，不可救药者。
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