疫疹·血热妄行证(pestilence with petechiae with syndrome of bleeding due to blood heat)是指瘟毒热盛,迫血妄行,以身热,心烦失眠,癍疹连结成片,颜色紫赤,或兼有鼻衄、齿衄、便血、月经妄行,舌深绛紫暗,脉数等为常见症的疫疹证候。