Why does your sinus flare up in winter: Understanding the causes and solutions

  • dharasuta
  • Friday, November 28, 2025
Winter's arrival often triggers sinus discomfort due to dry indoor heating, temperature shifts, and closed environments. These conditions irritate nasal linings, thicken mucus, and increase inflammation, leading to congestion and headaches. Cold air constricts nasal blood vessels, hindering mucus drainage. Understanding these triggers can help manage seasonal sinus flare-ups effectively.

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