泄泻下痢沉小滑弱实大浮洪发热则恶此言泻痢脉证宜别也泄有脾胃大肠小肠大瘕五泄之分泻有寒火风暑湿伤食之别痢本湿热相火之为病凡泄泻下痢之症脉沉小滑弱则吉若实大浮洪则恶矣实大与虚相反浮洪与里相反邪盛正衰再加发热便是恶候矣