The chronic sinus and nasal passage inflammation seen in CF patients significantly raises their risk of developing nasal polyps. Dental infections can indirectly contribute to the development of ...

"Vitamin D deficiencies are associated with enlarged tonsils, sinus allergies, sinus mucus, and ear infections. Try taking 20,000 to 50,000 IU of vitamin D once per week to address mucus." ...

But a sinus infection can make your ears feel clogged. This happens because fluid can get trapped behind your eardrum. Eustachian tube massage may create space for fluid to drain out.