A bee sting typically causes pain and burning that lasts about 1 to 2 hours. After the initial pain subsides, itching often follows. Swelling around the sting site can continue to increase for up to 48 hours and may last as long as 7 days. Redness from the sting usually lasts about 3 days. Overall, most mild symptoms such as pain, itching, swelling, and redness resolve within a week. If symptoms worsen or signs of infection or severe allergic reaction occur, medical attention should be sought promptly