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Allergic reactions encountered in the wild, mainly type I allergic reactions and, of course, and their own personal health status. Also known as allergic reactions allergy is the body by stimulating antigen after tissue injury or pathological disorders of the immune response. ? Commonly used anti-allergy, including the four main types: (1) anti-histamine drugs. This is the most commonly used anti-allergy material is most appropriate for type 1 allergic reactions. There are commonly used by diphenhydramine, isopropyl Zhen, chlorpheniramine, Cyproheptadine, Astemizole, special non-Latin, and so on. Such drugs are H1 receptor blockers, because histamine and a similar chemical structure, they can compete with histamine receptor antagonists, anti-allergic mucocutaneous The treatment should be better, insect bites and itching of the skin edema good effect; serum of measles disease is also found effective, but the section on the pain and high fever were null and void; of bronchial asthma worse. Dosage should be individualized, driving or operating machinery should work to avoid the use of a strong central inhibition of the species. (2) allergic reaction medium blockers, also known as mast cell stabilizer. Such drugs are disodium cromoglycate (pharynx and Thailand), hydroxypropyl color sodium, ketotifen (Mepiquat thiophene heptanone). The main treatment for allergic rhinitis, asthma, ulcerative colitis and atopic dermatitis, and so on. (3) calcium. Increase of capillary density and lower permeability, thereby reducing seepage, to reduce or alleviate the symptoms of allergies. Zun used in the treatment of measles, eczema, contact dermatitis, serum sickness. Vascular edema, and other allergic diseases adjuvant therapy. There are calcium gluconate. Such as calcium chloride, commonly used intravenous injection, rapidly effective. Calcium injection when there is a sense of heat, should slow injection, injection or too heavy doses, can cause cardiac rhythm disorders, caused serious ventricular fibrillation or cardiac arrest. (4) immunosuppressive agents. The main body of non-specific immune functions of the inhibitory effect on all types of allergic reactions are effective, but for the treatment of refractory extrinsic allergic reactions and diseases, autoimmune diseases and organ transplants, and so on. Such drugs are the main adrenal cortex hormones, such as prednisone, dexamethasone, and cyclophosphamide, sulfur, and other trifles purine. General to bring the water repellent, is also able to take vitamin B1, vitamin B1 because of diarrhea in the back by the sweat and feces will not dare to close to a mosquito odor, so as to bite from. Or the use of vitamin B1 broken blisters open, with the water Cashen. The following plants have insect repellent effect: tomato leaves, lavender, cablin, mint, basil, iris, lemongrass, star anise, Chenpi, Liu Ding Pi, cinnamon, cloves, jasmine, azaleas, marigold, pyrethrum And so on. Some can carry some field can be encountered. There is, in the wild, it is best not to use the strong scent of perfume, such as cosmetics, to avoid attracting mosquitoes. Can be found a little garlic, mosquito bites, it will break apart and garlic, rub face swelling, pain can be quickly itch.