Stomach acid rising into the throat can irritate the lining and cause mucus production as a protective response. You may also notice heartburn or a sour taste in your mouth.
5. Smoking and Air Pollution
Tobacco smoke and pollutants irritate the respiratory tract, triggering mucus production to protect sensitive tissues.
6. Dehydration or Dry Air
When the body is dehydrated, mucus becomes thicker and harder to clear. Similarly, dry indoor air can worsen congestion and throat irritation.
7. Certain Foods
Dairy, fried foods, or overly processed meals can sometimes thicken mucus in susceptible individuals.
How to Reduce or Eliminate Excess Phlegm
1. Stay Hydrated
