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.
After months of frigid weather, you might joke that you’re allergic to the cold. But some people really do have an allergy to cold temperatures. This winter has been exceptionally tough for people with a sensitivity to cold, says immunologist Sandra Hong, MD. “Every time they go out in certain temperatures, they’ll break out in hives in any … Read More