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Vasomotor rhinitis is a condition characterized by a runny nose that is not caused by allergies or infections. Instead, it results from the overactivity of the nasal nerves, which can be triggered by environmental factors like changes in temperature or humidity. During winter, moving from the cold outdoors to warm indoors can stimulate these nerves, leading to increased mucus production.
Symptoms of vasomotor rhinitis include a runny nose, nasal congestion, and sometimes sneezing, but without the itchy eyes or throat that are typical of allergic reactions.
4. Temperature Swings From Outdoors To Indoors And Their Effect On Nasal Nerves
Frequent and abrupt temperature changes, such as moving from the cold outdoor air to the warmth of a heated indoor environment, can cause the blood vessels in the nose to dilate. This dilation triggers the nasal glands to produce more mucus as a protective mechanism against the irritation caused by such shifts.
