itch! Or itchy! On the bed, Mr. Liu kept scratching his chin and his fingers began to fall. His skin had a series of connected protrusions. The more itchy and scratched, the more itchy and itchy, “The doctor said it was urticaria, and the wind was on the stroke. All of them were allergic!†The reporter learned that itchy, swollen, contiguous red spots, poor breathing, and sneezing. The cause of these allergic symptoms may be ultraviolet light, alcohol, eggs, drugs, seafood, or even pets or dust. Many people do not attach importance to allergies, but the World Health Organization has already included it in major public health issues. Allergic diseases are a common disease in the world and are listed by WHO as one of the three major diseases in the 21st century. Experts said that from July to September each year is the burst period of allergic diseases. In Qingdao, from July to October every year, the pollen of ragweed and wormgrass is much stronger than that of spring tree pollen. An important reason for the high incidence of allergies in the summer. Today is the day of the World's Allergic Diseases. The People's Hospital of Shinan District will check for allergens.
Eat a peach skin itchy
Yesterday morning, the reporter arrived at the outpatient department of the Southern District People's Hospital when he met Mr. Liu. The doctor discovered that he had a lot of rashes on his arm a few days ago. After the diagnosis, he learned that this is a typical allergy. symptom. "I had nothing to eat peaches before. These days I have eaten peaches for the first time this year. I started itching without eating a few mouthfuls. Others said I may be allergic," Mr. Liu told reporters. Liu Jie, director of allergic diseases in the hospital, asked Mr. Liu to go out and buy a peach to do a subcutaneous test. Liu Jie dripped the peach juice onto Mr. Liu's arm and then picked a small mouth with a needle. Soon, Mr. Liu's skin whipped up a pimple, surrounded by red. "He is a typical peach allergies." Liu Jie said that some people find it strange that why foods that were not allergic to food are allergic now? Liu Jie explained that the key issue of allergies is internal causes. Internal factors are the basis, external factors are the conditions, and external factors can only function through internal factors. Some people are allergic to penicillin, but after some time they are not allergic. This phenomenon of allergies at this time is not due to changes in internal factors. Allergies caused by internal factors are mostly related to high endotoxin levels.
Tickworm allergies are becoming more common
“I saw a patient number some time ago. The child was very young. He often had a runny nose and cough. The parents thought that the child was weak and ate a lot of anti-inflammatory drugs. Finally, the antibiotics had been playing for a long time. They did not check the allergens. So the disease has been treated. It is not good," said Liu Jie. Later, when the child visited her, she was found to be allergic to ragweed and grasshoppers and belonged to allergic rhinitis. According to Liu Jie, the climate in the coastal areas of Qingdao is humid, and summer and autumn are the peaks of dust mites and mold reproduction. They are also the main cause of allergic diseases such as allergic rhinitis and allergic asthma. Especially children with allergic rhinitis and bronchial asthma, aphids are the main cause. In addition, Qingdao is rich in marine products. Marine fish, sea shrimp, and sea crab are also important causes of urticaria, eczema, and allergic dermatitis. The cause of skin allergies may be due to the patient's own allergies, or it may be due to external factors such as diet, inhalation, climate, and contact allergies. "To treat allergic dermatitis, it is not advisable to rely solely on the application of drugs. It must be treated as a regular treatment. Patients should not be rushed to the doctor or be free to apply plasters, but they will delay treatment." Liu Jie said that people cause foods such as shrimps and crabs. The allergies are easier to find, but it is easy to ignore the very common and invisible allergens, such as apples, green onions, bananas, milk, eggs, can cause allergies.
Allergies are sometimes dangerous
Ms. Sun continued to have a cold this year. Unlike in the past, this time, in addition to the symptoms of cough, she also had symptoms of wheezing. She did not feel good about taking a cold medicine. Later, at the People's Hospital of Shinan District, Liu Jie, based on years of clinical experience, had high suspicions that Ms. Sun was suffering from asthma and had her checked for lung function. Until the inspection results were diagnosed as asthma, Ms. Sun also thought she was only suffering from a severe cold, or allergic rhinitis, how could not believe that he had asthma. There is an extreme case of asthma. When the respiratory tract is completely sealed, the airflow does not produce any sound. This is fatal. Most asthma patients have allergic rhinitis like Ms. Sun. Like her, when I have symptoms such as coughing, I mistakenly think that I am only suffering from a cold. "Whether you have allergic rhinitis, allergic asthma, or atopic dermatitis, if you have one of them, it means that you may be allergic to it," said Liu Jie.
In addition, allergic diseases may respond to various organs in the body. Some may react to the mucous membranes of the skin, others may respond to the nervous system, and others may respond to the digestive system. Also a substance allergy, different patients may have different physical response symptoms. For example, the same is allergic to eggs, some patients have stomach pains, some patients have headaches, some patients have urticaria, and some children have ADHD. However, in general, allergic diseases have their own rules and characteristics. Yin Xiangyang, director of dermatology at the Central Hospital, said that people with allergies should go to the hospital for an allergy test. At present, the most common allergen detection method is the patch test, which is suitable for the detection and diagnosis of allergic skin diseases such as contact dermatitis. "There are about 20 kinds of allergens detected most frequently. Most allergic patients have been detected with a variety of allergens. The highest detection rate is followed by ticks and insects, milk, seafood, mold, pollen, heavy metals, rubber. If the allergy symptoms are severe, desensitization therapy can be used to effectively prevent the occurrence of the disease, Yin Xiangyang said.
prevention
Blocking allergens is the key
The reporter learned that the factors of allergic diseases mainly include two aspects, one is a genetic factor and the other is an environmental factor. The genetic factors that we cannot change. For example, if both parents have a history of allergies, the incidence of their children may be as high as 60%; if the children are twins, one of the children is sick, the incidence of another child may be as high as 70% or more; if the parents are unilateral allergies, the incidence of the child is Between 20% and 40%; parents have no history of allergies, the incidence of children below 20%. Environmental factors include all factors in daily life. For example, there are more and more patients with pollen allergies, and there is a certain relationship between work and living environment. Excessive mental stress and fatigue, irregular life, etc., will lead to a decline in body resistance, which is one of the reasons leading to allergies. Allergic diseases are the result of the interaction of genetic and environmental factors. If the work life is irregular and the stress is too high during this time, the chance of allergies will increase.
"As long as proper precautions are taken, some allergic diseases can be avoided." Yin Xiangyang said that avoiding contact with allergens is a top priority in preventing allergic diseases.
statement
Qingdao people are most afraid of ragweed pollen
It is understood that the incidence of allergic diseases in Qingdao ranks first in the country, with allergic rhinitis and asthma accounting for more than 35%. The Southern District People's Hospital investigated the pollen allergens in Qingdao. A total of 4,424 pollen grains were collected throughout the year. A total of 20 species were identified. There were two pollen peaks throughout the year, and the peak pollen season in spring. From April to May, the pollen was mainly from Pinus and Populus. In summer and autumn, the peak of pollen was from August to September. The main pollen was grasses, ragweed and Artemisia. In 2010, they conducted air monitoring of airborne pollen in the eastern part of Qingdao and the western region by gravity sedimentation method, and found that the pollen species in Qingdao had undergone major changes. The eastern city of Qingdao has 34 genera of pollen species, belonging to 32 families; 30 genera in the west and belonging to 29 families. There are 2 pollen seasons in the year. In April-May, the main season is mainly poplar, birch, eucalyptus, platanus, pine, ash and pollen. In summer and autumn, it is mainly wormwood, grass, and grass. The ragweed, cocklegrass and Leike, and grass pollen are predominant, and the autumn pollen sensitization is higher than the spring pollen. In recent years, patients in the Qingdao area have been more common with Arthritis, Valerian, Ragweed, Grey Lily, Poplar, Eucalyptus, Willow, and Sycamore. Summer and autumn hay fever patients are often accompanied by food allergies such as apples, kiwis, cherries, and peanuts. Symptoms of pollinosis are mainly manifested in the nose, eyes and bronchi and skin. Nasal symptoms are the most common manifestations of nasal itching, sneezing, runny nose, and nasal congestion. Due to severe nasal itch, patients often continue to knead the nose by hand; sneezing attacks often dozens of consecutive. About half of the patients with hay fever have itching, tearing and other symptoms. About 40% of patients have asthma. Some patients may have pollen dermatitis, contact dermatitis, contact urticaria, etc. after exposure to pollen, manifested as skin papules, swelling of erythema with pruritus and burning sensation, and some may be associated with food allergies. The prevention of hay fever is important to avoid contact with pollen. Pollen allergies are best to stay indoors during the onset of illness, reduce outings, close doors and windows, or open air conditioners to reduce the entry of outdoor allergens. Try to wear masks and goggles when you go out. Candidates may go out to pollen-free places in the pollen season. Another important method is to identify allergens and perform specific immunotherapy (desensitization therapy).
â– strange allergens
Mobile phone allergy
From an academic point of view, cell phone allergy is not allergy caused by the cell phone itself, but is caused by the allergy caused by the nickel element used in the cell phone. However, this allergy can be called cell phone dermatitis, because many people appear to have this situation, are considered to be caused by mobile phones. Allergies to mobile phones are actually nickel allergies, and their symptoms are the same as those of people with earrings and jewelry containing this substance. Unfortunately, it is difficult to avoid cell phone dermatitis unless you avoid contact with this metal material. Therefore, doctors recommend that some people allergic to nickel purchase non-handheld devices.
Eat pasta for 6 hours without exercise
Around the year of 2009, Peking Union Medical College Hospital discovered that "run after eating noodles" may be a fatal case, that is, a food-dependent exercise-induced allergic reaction. That is, within 6 hours after ingestion, if exercise can induce severe allergic symptoms or even shock, but strangely, if you do not exercise during this time, there will be no allergic reaction. "With this allergic reaction, the diagnosis process took more than two years, but this allergic reaction is extremely rare in the country."
Can drink water but not touch water
Of all the allergens, the least common is allergies to water, and more than 30 cases have been discovered worldwide so far. These patients can drink water at will, but as long as the skin is exposed to water, an itchy measles will appear. The hot bath is more like being “torturedâ€. In order to prevent the body from producing too much sweat and produce oil, only exercise can be minimized. Eat vegetarian instead of too much sweat.
Wifi allergy
There are such a group of special people in the world who display allergic symptoms on all types of household appliances, cell phones and other communication equipment, and even all devices that emit electromagnetic signals such as wifi, including headaches, fainting, fatigue, skin allergies, and irregular heartbeats. Qi and other symptoms. WHO defines it as an electromagnetic radiation allergy. In the United States, Britain, Switzerland, Japan and other countries have this allergic person.
Sunshine allergies
If the heat wave is not over yet, more people may call themselves sunshine allergies. In fact, those who suffer from solar urticaria have reddened and itchy skin after exposure to light, and have been considered to be the symptoms of sunburn. Antihistamines can obviously relieve these symptoms. This is an allergy and not just a skin allergy. Some people happen to oppose the above situation. They suffer from very rare cold urticaria, which can cause allergic reactions in cold weather.
Qingdao Morning Post author photo reporter Xu Dong
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