Get spring allergy relief in Hickory, NC and learn how to tell if congestion is caused by seasonal allergies or a sinus infection. As spring arrives in Hickory, North Carolina, rising pollen levels from trees, grasses, and plants can trigger respiratory symptoms. Outdoor destinations like Hickory City Park and Kiwanis Park see many visitors, increasing exposure to allergens. While seasonal allergies are common, similar symptoms may indicate a sinus infection. Understanding the differences between allergies ...