The causes of itchy nose at night are usually allergic rhinitis, colds and nasal vestibular eczema.
1. Allergic rhinitis: usually due to the presence of indoor dust mites and other allergens, when sleeping at night, inhaling these allergens, will cause allergic rhinitis attacks, itchy nose, sneezing, runny nose and other symptoms.
2. Cold: it will make the patient’s nasal secretion increase, and the nasal mucosa congestion, swelling, when sleeping at night due to the role of gravity, the nasal mucosa, nasal turbinate in the vascular contents of the increase in vasodilatation, which leads to the nose itchy, congestion, and other symptoms, but also weakness, fever and other systemic manifestations.
3. Nasal vestibular eczema: the etiology of this disease is unknown, the onset of the nose can be itchy and running water and other symptoms, sleep at night without external factors to interfere with the concentration of attention, the symptoms appear more prominent.
In short, in the case of itchy nose at night, it should be examined by a specialist to find the cause and analyze the specific problems, targeted treatment.