π The Actual Causes (Ranked by Prevalence)
Cause
How Common
Key Clues It's This (Not Something Else)
Allergies / Chronic Rhinosinusitis
β
Most common (60β70% of cases)
β Worse in morning or after lying down
β Clear, thin mucus
β Itchy eyes/nose
β Seasonal patterns or year-round triggers (dust mites, mold)
Laryngopharyngeal Reflux (LPR) β "Silent Reflux"
π‘ Second most common (20β30%)
β No heartburn (hence "silent")
β Worse after meals/lying down
β Hoarseness, throat clearing, lump sensation
β Bitter/metallic taste upon waking
Dehydration
π‘ Very common but overlooked
β Thick, sticky mucus
β Improves with increased water intake
β Dry mouth/skin
Medications
π‘ Common side effect
β ACE inhibitors (blood pressure meds)
β Birth control pills
β Some antidepressants
Smoking / Environmental Irritants
Constant Throat Mucus β What Actually Causes It (And Evidence-Based Ways to Find Relief)