疫疹·热迫营血证(pestilence with petechiae with syndrome of toxin entering nutrient and blood phases)是指瘟毒热邪,内迫营血,以壮热,日晡益甚,口渴引饮,烦躁不宁或腹满便秘,癍色红赤,甚或紫黑,初见于胸膺部,迅速发展至背、腹及四肢等处,舌红,苔黄燥,甚或干裂,脉洪大或沉实等为常见症的疫疹证候。