Nasal Allergies complications
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Complications could include:
A sinus infection causes the sinuses and nasal passages to become inflamed. Facial swelling is a common sign of this type of infection.
The nasal septum is a thin structure, separating the two sides of the nose. If it is not in the middle of the nose, then it is deviated.
Have you ever felt like you have a cold that never goes away? Nasal congestion that doesn't seem to go away, even with over-the-counter cold or allergy medication, may be caused by nasal polyps.