Symptoms of haze allergy
summary
Allergy is an allergic reaction of the body, and it is an abnormal reaction of people to normal substances (allergens). When allergens come into contact with people with allergic constitution, allergy will occur. There are hundreds of allergens, such as pollen, dust, allogeneic protein, chemical substances, ultraviolet and so on. In the process of allergic reaction, allergic mediators play a direct role. The allergen is the external cause of allergic disease, while the low immunity and the oxidative damage of a large number of free radicals to mast cells and basophils are the internal cause of allergic reaction.
Symptoms of haze allergy
Skin redness, itching, redness and swelling under aseptic condition are more common in congenital skin fragility; Seasonal changes are prone to eczema and weak UV resistance, which can cause skin allergy to synthetic fabrics, perfume and water quality. The causes of skin allergy are eating seafood, using or contacting metal containing substances, breathing air containing plant pollen, and responding to drugs or insects;
Various reasons lead to no congestion of capillaries, resulting in blood circulation disorders, leading to skin allergy; The skin allergy of some cosmetics, no matter how high-grade cosmetics and maintenance products, are nothing more than a mixture of colorants, oils, spices, alcohol and other materials. All kinds of pearl cream, Ginseng Cream and all kinds of drug powders are also based on colorants, oils, spices, alcohol and other drug ingredients. Studies have shown that the basic composition and aroma substances of cosmetics or skin care products may cause skin irritation.
External causes: including diet, inhalation, climate, exposure to allergens and other factors. Among them, seafood, protein, spicy food, wine, inhalation of pollen, dust mites, cold weather, contact with chemicals, soap and detergent are the most common causes of skin allergy.
matters needing attention
Allergic substances combine with bronchial mucosa, nasal mucosa, skin and blood vessels to produce allergic rhinitis with sneezing and runny nose, allergic asthma with wheezing and choking, allergic dermatitis with pruritus, etc. In the process of allergic reaction, allergic mediators play a direct role. Allergens are the external cause of allergic diseases, while the body's immune capacity is low. The oxidative damage of mast cells and basophils by a large number of free radicals is the internal cause of allergic reactions.