01/06/2026
Are Holiday Allergies Worse During Winter?
Yes, allergies can often feel worse during the winter months, particularly due to the changes in indoor environments. As the weather gets colder, people spend more time indoors, where allergens like dust mites, mold, and pet dander are more concentrated. Heating systems, while keeping homes warm, can stir up dust and distribute it throughout the house, exacerbating allergy symptoms. Additionally, windows are kept closed during winter, limiting ventilation and allowing allergens to accumulate indoors. Dry winter air can also irritate the nasal passages and airways, making allergic reactions more uncomfortable.
While outdoor allergens like pollen may decrease in some regions during winter, cedar pollen and mold from decaying leaves can still be problematic. People with cold weather sensitivities may also experience non-allergic rhinitis, where cold, dry air mimics allergic symptoms such as runny nose and congestion. Understanding how environmental factors shift during the winter and contribute to holiday allergies can help you take appropriate steps to manage your symptoms effectively.
