The cause of the disease is unknown, which may be caused by the dysfunction of facial contraction and extension nerves caused by harmful factors in the body or outside, and the long-term expansion of capillaries. These factors may be gastrointestinal dysfunction, dyspepsia or hair follicle parasitic diseases.
At the onset, dark red spots will appear in the middle of the face. At first, the hair will temporarily recede, but after eating irritating food, it will be emotional or cold, and the redness will be more obvious after heating. After a long time, the erythema will not fade. With the development of the disease, many spider reticular capillaries, papules and pustules of different sizes can be seen on erythema. After a long illness, many dark red papules appeared on the surface due to the hyperplasia of nasal connective tissue and sebaceous glands. This is called nasal ao, which is relatively rare.
In treatment, avoid eating irritating foods, such as wine and peppers, eat less sugar and fatty foods, and eat more fruits and vegetables. Oral drugs, quinoline chloride, tetracycline and Midland have certain effects. If sulfur lotion is used locally, plastic surgery can be done to form nasal ao.
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