经行口糜·阴虚火旺证(menstrual aphtha with syndrome of exuberant fire due to yin deficiency)是指阴虚火旺,火热乘心,经期阴血下注,则虚火益盛,虚火上炎,以经期口舌糜烂或生疮,口燥咽干,月经量少,色红,骨蒸潮热,口燥咽干,烦躁失眠,盗汗,颧红,便秘尿短,舌红少津,脉细数等为常见症的经行口糜证候。