Though rare, you can actually be allergic to the cold. Symptoms include an itchy rash, redness, swelling and hives that usually last less than 24 hours.
Hello, stress hives (yes, they’re a thing). Here’s what to do if you break out in itchy bumps at the worst possible time.
It’s critical to know what to do if you see signs of an allergic reaction. Most cases are mild, but some reactions are life-threatening, so you may need to act quickly.