By ＼Healthcare.com Reporter Lin Yiting
When eight-year-old Yoyo came back from school one day, his body developed a slightly raised, reddish rash, which looked like mosquito bites. The patient's body is not only a good example of how to deal with this problem, but it is also a good example of how to deal with it.
Common allergic diseases in children Severe fear of affecting breathing
Chi Mei Medical Center Pediatrics attending physician Chen Weiyu pointed out that urticaria is one of the most common allergic diseases in children, the onset of the skin will have a slightly reddish, swollen to the touch with itchy, slightly elevated plaques, and if you use your hands to grab the skin without lesions, you will appear to have a similar plaque. These rashes may disappear within a few hours; in addition, when the allergic reaction occurs in the deeper tissues, angioedema occurs, causing swelling around the eyes or lips, or even around the throat, which can seriously affect breathing.
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There are two types of hives: those that last more than 6 weeks and those that are chronic
According to the literature, there is a 20% chance of hives occurring in a person's lifetime. According to the literature, there is a 20% chance of hives occurring in a person's lifetime. Depending on the duration of the hives, they are categorized as "acute" or "chronic", and in general, hives that occur almost every day for more than six weeks are defined as chronic.
Common causes of acute urticaria include food, drugs, insect bites, allergen exposure, transfusion of blood products, infections (Streptococcus A, mycobacteria, sinusitis, hepatitis, EBV, etc.); as for the causes of chronic urticaria is more complex, about 60?70% is chronic idiopathic urticaria, about 30% is induced urticaria (cold ***, exercise, hot bath.), sweating, skin scratching, stress, etc.), and a few are caused by autoimmune diseases, vasculitis, thyroid disease, and tumors.
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Treatment depends on the symptoms Allergen testing is only effective for food type and contact type
Chen Weiyu, an attending physician, explains that hives can be treated by applying ice packs or patting to relieve the symptoms of the symptoms if they are only on the skin, such as redness, swelling and itchiness; the medication is based on antihistamines. However, if it is caused by bacterial or mycobacterial infections, then appropriate antibiotic treatment should be used. On the other hand, if the more serious urticaria combined with angioedema, or even affect the respiratory, must be dealt with in the emergency room to maintain the airway open, and may also need to use epinephrine or injectable steroids.
It is not difficult to diagnose urticaria clinically, but it is not easy to find out the cause. Even in acute urticaria, more than 50% of the cases are still unexplained, and parents often ask if they need to take an allergy test to find out the cause of the urticaria, which is usually helpful in diagnosing food allergies or urticaria after contact with allergens.
HealthCare.com has authorized the reprinting of the original article from which half of acute hives have no known cause! Does testing for allergens help?