There are different degrees or stages of frostbite, each with its own symptoms and treatment. First-degree frostbite affects only the outer layer of skin, causing redness, swelling, and a tingling or burning sensation. Second-degree frostbite affects deeper layers of skin and causes blisters, swelling, and a pale or blueish color. Third-degree frostbite affects even deeper tissues, including muscles and tendons, and causes blackened, dead tissue and severe swelling. Fourth-degree frostbite is th

Did you know about 6% of the U.S. population has a food allergy, according to the CDC? The FDA has approved two first-of-its-kind treatments — one for severe food allergies and one for severe frostbite. https://www.abc15.com/fda-expands-use-of-asthma-drug-xolair-to-treat-severe-food-allergies https://www.abc15.com/fda-announces-approval-for-first-severe-frostbite-treatment | NewsChannel 5 Nashville