Red, itchy neck can be seen in a variety of causes, including skin diseases, systemic diseases, drug factors, mental factors and environmental factors, as follows: 1. Skin diseases: common infectious skin lesions, such as chickenpox, impetigo, folliculitis, as well as suffering from prickly heat, urticaria, eczema, polymorphic sun rash, heliodermatitis, contact dermatitis, atopic dermatitis, seborrheic skin and other non-infectious skin diseases . In addition, after being bitten by mosquitoes and mites, local insect toxicity reactions, all will appear red and itchy neck and other symptoms, the need for timely medical treatment to clarify the cause; 2, systemic diseases: such as suffering from hyperthyroidism, lymphoma, leukemia, diabetes and other systemic diseases, can also cause red and itchy skin on the neck, but more often to the whole body skin itch more common; 3, drug factors: generally drug Allergies caused by the redness and itching of the skin of the whole body, common antipyretic and analgesic, such as indomethacin tablets, sulfonamides, such as hydrochlorothiazide tablets, antibiotics, such as amoxicillin capsules, etc.; 4, mental factors: mental or emotional instability, such as emotional tension, fear, anxiety, excitement, depression, etc., can also induce red and itchy symptoms of the neck; 5, environmental factors: such as exercise, baking fire and room temperature is too high, can make The local temperature increases, stimulating the peripheral nerve itching and redness. In addition, the air humidity is too low, too dry, etc. may also lead to redness and itchiness; 6, stimulation factors: such as wearing high-collared sweaters, wearing scarves, scarves and metal jewelry, such as necklaces, etc., causing local skin contact irritation, local allergic reactions, redness and itchiness of the skin. In addition, poor quality skin care products, insufficient local hygiene and cleanliness or more sweating, etc., can also stimulate the skin of the neck to cause redness and itchiness.
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