| | From indoor Christmas trees to outdoor mold and irritants such as cold and windy weather, there are a number of non-pollen sources of wintertime nasal and skin allergy symptoms. | | All About Winter Allergies Think that allergies aren't a problem during the winter? Think again. Some areas of the country experience their worst allergy season during the wintertime, when mountain cedar pollinates. And even when the plants outside aren't pollinating, other triggers still exist to make your nose congested and runny. In addition, cold temperatures can lead to hives, which is called cold urticaria.
| Winter Pollen Allergies Mountain cedar is a type of juniper tree found mainly in South and Central Texas that pollinates in the winter, from December through March. In the areas where it grows, it is usually the only major pollen present during the wintertime. Mountain cedar is a major cause of hay fever, and people who suffer from this form of pollen allergy typically refer to it as “cedar fever.”
| Hives in the Cold Cold urticaria is a form of physical urticaria that is characterized by the development of hives and swelling with cold exposure. A variety of cold triggers can cause symptoms in people with this syndrome, including cold weather, cold food and drinks, and swimming in cold water.
| Runny Noses in Cold Weather As the weather starts to turn cold and crisp around the country, people are packing their pockets with tissues to combat their runny noses. But this usually isn't due to allergies -- rather, it's caused by vasomotor rhinitis .
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