仲景曰．傷寒初起．實時求治．凡作湯藥．不避晨夜．醫(yī)之稍遲．病即傳變．必難為力矣．凡作汗藥．雖言一日三服．若病劇者．半日中可盡三服．一日一夜．當(dāng)時時觀之．如救焚拯溺．不容少怠．