《伤寒论·辨厥阴病脉证并治》
宿有呕吐的病人，如果是内有痈脓而引起的，不能见呕而止呕，应解毒排脓，脓尽则呕吐自然痊愈。
呕家有痈脓者，不可治，呕脓尽自愈。
A patient with vomiting, caused by internal abscess and pus, should detoxify and drain pus; vomiting will heal naturally after pus has run out.