Ugh, that constant phlegm-in-the-throat feeling is so annoying—and surprisingly common. If you don’t know why it’s happening, here are the usual suspects 👇
Common reasons
1. Post-nasal drip (the #1 cause)
Mucus from your nose/sinuses slowly dripping down your throat.
Allergies (dust, pollen, pets)
Chronic sinus congestion
Weather changes or dry air
2. Acid reflux / “silent reflux” (LPR)
Even without heartburn, stomach acid can irritate your throat.
Thick mucus
Throat clearing
Hoarseness, lump-in-throat feeling
3. Dehydration
Not drinking enough water = thicker, stickier mucus that won’t clear.
4. Irritants
Smoking or vaping
Air pollution
Strong smells, chemicals, perfumes
5. Infections
Lingering cold
Chronic sinus infection
Mild throat inflammation
6. Food sensitivities
Some people notice more mucus with:
