A pinch on the nose sneezing may be related to allergic rhinitis, vasomotor rhinitis, eosinophilic non-allergic rhinitis and other diseases.
1. allergic rhinitis: in allergic patients after contact with pathogenic allergens, can cause nasal sensory nerve sensitivity enhancement, so that the nasal mucosa is in a highly sensitive state, so that certain non-specific effects are easy to induce clinical symptoms of allergic rhinitis, such as a pinch of the nose mechanical stimulation can lead to sneezing phenomenon.
2. Vasomotor rhinitis: patients with this disease often repeated excessive anxiety, irritability or mental tension, as well as under the effect of taking antihypertensive drugs, so that the nasal sympathetic nerve excitability decreases and the parasympathetic nerve excitability increases, appearing as soon as the pinch of the nose on the performance of sneezing.
3. Eosinophilic non-allergic rhinitis: the cause of this disease is unknown and the mechanism is complicated. Clinical symptoms and allergic rhinitis is very similar to the nasal secretion to eosinophils increased significantly. The irritating symptom of sneezing may also occur when the nose is pinched.
When sneezing occurs as soon as the nose is pinched, it is advisable to actively consult a doctor for a systematic examination in order to clarify the diagnosis and cause of the disease.