1. Allergies
Dust, pollen, dust mites, or animal dander can cause excessive mucus production.
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Associated symptoms:
Sneezing
, itchy nose,
watery eyes.
2. Gastroesophageal reflux
Stomach acid can rise into the throat and irritate it, causing a persistent feeling of mucus, even without a cough.
Other signs:
Heartburn
, bitter taste in the mouth,
frequent throat clearing
