虛寒証(syndrome/pattern of deficiency cold),屬虛証類,因秉質陽氣不足,或臟腑內傷久病,或誤治傷損陽氣所致。臨床以四肢不溫,喜暖畏冷,面色淡白或㿠白,舌質淡,舌苔白,脈沉遲或沉細無力,可伴見反覆感冒,咳嗽,眩暈,耳鳴,心悸,健忘,大便溏薄,小便清長或夜尿頻等為特徵的証候。[1]