Learn why mosquito bites swell, signs of infection, and when to seek urgent care treatment for mosquito bites in Mooresville, NC. Mosquito bites are hard to avoid during spring and summer in Mooresville, especially for people spending time around Lake Norman or enjoying evenings outdoors near neighborhood patios and parks. What starts as a small itchy bump after a walk or a day on the water can sometimes become surprisingly swollen over the next day ...