Q My voice keeps getting hoarse and I often have to clear my throat. Is this related to post-nasal drip?
A Yes. When post-nasal drip secretions flow down onto the vocal cords and irritate them, the voice becomes hoarse and frequent throat-clearing occurs. This is especially common when laryngopharyngeal reflux (LPR) is also present.
Detailed Answer
The vocal cords are both the organ of voice production and a protective barrier for the airway. When post-nasal drip secretions repeatedly touch the vocal cords, the vocal cord mucosa swells, making the voice rough and easily fatigued. The act of frequent throat-clearing itself repeatedly delivers mechanical impact to the vocal cords and can cause vocal cord nodules or vocal cord swelling. If hoarseness persists for more than two weeks, you should check for vocal cord abnormalities with a laryngeal endoscopy at an ENT clinic. When reflux is also present, laryngopharyngeal reflux (LPR) treatment (dietary control plus acid suppression) should be combined for the post-nasal drip treatment to work faster.
Korean Medicine Clinic Perspective
In Korean medicine, a hoarse voice (sireum) is a sign of Lung qi deficiency or Lung yin deficiency. Adding treatment to tonify Lung yin (bo-pyeeum) — moistening the vocal cords and throat mucosa with herbs such as Maemundong (Ophiopogon) and Seokgok (Dendrobium) — to post-nasal drip treatment also helps voice recovery.
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