Q I work at a factory in Dong-gu, Incheon, and the dusty environment seems to make my post-nasal drip worse.
A Dust, chemical particulates, and dry environments are typical occupational triggers that directly irritate the nasal mucosa and increase secretion. Wearing a mask, drinking water frequently during work, and nasal irrigation are the first-line measures.
Detailed Answer
Fine dust and chemical particulates generated in manufacturing, port, and logistics environments interfere with the cilia of the nasal mucosa and dry out and damage the mucosa. Damaged mucosa overreacts to irritation and overproduces secretions, so as long as exposure continues, post-nasal drip tends to become chronic. Recommended measures: wear a dust-proof mask (KF80 or higher), drink a cup of warm water every two hours during work, perform saline nasal irrigation after work, and maintain indoor humidity at 45 to 55 percent with a humidifier. Among factory workers in the Dong-gu and Jemulpo areas of Incheon, a combined rhinitis and post-nasal drip pattern is common, so we always include an assessment of environmental factors.
Korean Medicine Clinic Perspective
Dusty, dry environments create Lung dryness (pye-jo) — a state in which the Lung becomes dry — weakening the mucosal immune barrier. Along with Lung-tonifying decoctions, we add Lung-moistening (yun-pye) herbs such as Maemundong (Ophiopogon) and Sasam (Adenophora) to restore mucosal moisture.
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