Chronic Cough · Lung-Yin Deficiency Pattern

Updated: June 23, 2026

Reviewed by: Dr. Li Wei, DACM

Reading Time: 7 min

Body Area: Chest

Pattern Overview

Lung-Yin Deficiency is a chronic pattern in persistent cough, characterized by airway mucosal atrophy, dry cough with scanty sputum, dry throat, and afternoon fever. The core pathogenesis is insufficient Lung-Yin failing to moisten the airways, leading to mucosal atrophy, cough receptor exposure, and chronic dry cough.