The cold days of winter bring most of us indoors for the year and then the sniffles start up. Symptoms like sneezing, congestion, and sore throat are common during the winter months. These unpleasant symptoms can be evidence of a winter cold, but they can also mean indoor allergies. What are the causes of these winter ailments, and how can they be identified (and treated)?
Winter weather can indirectly cause both colds and indoor allergies. Colds increase in winter because people spend more time inside, confined to small spaces where viruses and germs can be easily passed around. Also, the viruses which cause colds thrive in low-humidity environments, which are typically found in the cold dry months of winter. Low humidity, combined with air blowing from indoor heating systems, causes drying of the nasal passages, which can increase susceptibility to infection.
With indoor allergies, it’s a similar story. Indoor allergies are caused by dust, which contains a wide variety of allergy-causing particles like animal dander, mold spores, pollen, dust mites and dust mite waste. Spending more time indoors means increased exposure to these allergens. Plus, indoor...