Wear a mask! Wear a mask! The peak is expected to be in mid-to-late August to late September
2024-08-18
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Some people experience itchy eyes and noses.
Sneezing and tears can't stop flowing
Many people thought it was a cold.
In fact, it is the autumn pollen allergy that is causing the problem...
Pollen season is here again, do you feel it?
The pollen concentration monitoring by the Pollen Research Laboratory of the Allergy Center of Beijing Century Memorial Hospital found that Beijing entered the autumn pollen season after the beginning of autumn.The main allergenic pollens floating in the air are Humulus/Cannabis, Chenopodiaceae/Amaranthaceae, Poaceae pollen, Artemisia, etc.The latest data shows that the average weekly amount of major allergenic pollen in Beijing is less than 50 grains per thousand square millimeters. Although it is at a low concentration, it is generally on an upward trend.
Wang Xueyan, director of the Allergy Center of Beijing Century Memorial Hospital, reminded thatAllergy patients should minimize contact with pollen in the near future, reduce travel in windy weather, and wear masks when going out.
Unlike the allergenic pollens of woody plants commonly seen in spring, the allergenic pollens in autumn are mainly herbaceous plants, mostly wild weeds commonly found in fields, parks, and roadsides. The Beijing Meteorological Service Center’s “Pollen Monitoring and Forecasting” WeChat public account has also recently begun forecasting the start of pollen production in Artemisia, Chenopodiaceae, and Moraceae.Beijing AutumnThe peak pollen concentration of the season is expected to be from mid-to-late August to late September.
Wang Xueyan said that the number of patients with allergies at the Allergy Center of Century Altar Hospital has increased recently, with about 250 patients a day. The increase in patients with allergies is directly related to the pollen concentration. According to previous consultations, it is estimated that when the pollen concentration peaks in autumn, the number of patients with allergies who come to the center may reach 600 a day.She reminded allergy patients to minimize contact with pollen in the near future, reduce travel during strong winds and thunderstorms, and wear masks when going out.After returning indoors, take off your outer clothes in time and wash your hands, eyes, and nose to avoid pollen allergies.
Wang Lianglu, chief physician of the Department of Allergy at Peking Union Medical College Hospital, said that pollen allergy is mainly manifested by a series of symptoms, mainly rhinitis and conjunctivitis, including runny nose, sneezing, itchy nose, blocked nose, itchy eyes, etc. Some patients may also experience symptoms such as coughing and wheezing.If the pollen allergy symptoms are mild and there are no asthma symptoms, you can take antihistamines such as loratadine and desloratadine orally, or use nasal spray hormone treatment; if the symptoms are more severe, especially if asthma symptoms occur, it is recommended to go to the hospital for treatment in time.
Don’t pollen allergies only occur in spring?Autumn pollen is more allergenic!
Why Are Fall Allergies Worse Than Spring?
The most common allergens in summer and autumn are pollen, mold, and dust mites. In terms of allergenicity, there are the following differences between autumn and spring allergies:
1 Pollen is more allergenic in autumn
Most pollen in spring is tree pollen, which has larger particles and often falls to the ground. When blown by the wind, it is inhaled by people and causes allergies.Most autumn pollen comes from weeds, especially Artemisia, Chenopodiaceae/Amaranthaceae, and Humulus. The particles are small and dry, and easily float in the air, making it difficult to guard against.Although the pollen concentration in spring is higher than that in autumn, autumn pollen is more allergenic. Artemisia pollen is one of the important allergens. Some people may experience severe allergic reactions after being exposed to only a small amount of Artemisia pollen.
2 Fall mold growth is more
Morning dew or rainfall residue, fallen leaves, and decaying vegetation in autumn can help mold grow. People are also more likely to develop allergies when they come into contact with or inhale mold spores.
3 Autumn is drier than spring.
The air is dry and the ultraviolet rays are strong in autumn, the skin is prone to lose moisture and the barrier function is weakened, and dry eczema and allergic dermatitis often occur.In addition, autumn is also the peak season for indoor allergies, which is mainly related to the lack of ventilation, resulting in excessive indoor dust mites and dandruff, triggering allergic reactions.
Parents should not be careless when children have allergic symptoms
Not only adults, but autumn is also a high incidence period of allergic diseases in children. Allergens include pollen, pet dander, fungi, dust mites, food, drugs, etc. In addition, children with a family history of allergies are also a high-risk group for allergies.1. When a child has abdominal pain and diarrhea, check whether he or she has allergic gastroenteritis after excluding infection;2. If you have a rash with itching, which gets worse after eating certain foods, you should check whether you have allergic dermatitis;3. If you have symptoms such as nasal itching, nasal congestion, runny nose, sneezing, etc., after excluding infection, you should check whether you have allergic rhinitis;4. If your eyes are itchy and you also have itchy nose and sneezing, you should check if you have allergic conjunctivitis.5. Coughing and wheezing. After excluding colds, check whether you have variant cough and allergic asthma.Many parents believe that seasonal allergy symptoms will go away if they are endured for a period of time. In fact, this is a misunderstanding. Take common allergic rhinitis as an example. It can cause sinusitis, hyposmia, otitis media, and even develop into asthma. Therefore, when children have related symptoms, parents must pay great attention to it......
How to differentiate between fungal allergies and pollen allergies?
Experts suggest that allergies are more common in autumn. While the public should prevent pollen allergies, they should also be careful about allergic diseases caused by fungi.Fungal allergy refers to the allergic reaction caused by fungal spores and hyphae entering the body through various pathways. If you suffer from asthma, allergic rhinitis, allergic dermatitis, etc., you are more likely to develop fungal allergy.Fungi like to reproduce in damp environments, especially in poorly ventilated environments such as bathrooms, basements, and warehouses.Summer and autumn are the peak seasons for fungal allergies, especially after rainy days when the air humidity is high, which is conducive to the massive reproduction of fungi. Long-term contact or frequent exposure to an environment containing a large number of fungi may cause fungal allergic diseases.Pollen allergic rhinitis and allergic rhinitis caused by fungi are very similar in symptoms and can easily lead to misdiagnosis. Therefore, allergen testing is required to correctly distinguish them for effective treatment.
What to do after an allergy?
Once allergic symptoms occur, you need to go to the hospital in time, receive treatment under the guidance of a doctor, and control and intervene in the causes of the allergy.
1. Control and treat environmental allergens
Allergen exposure is the initiating factor for allergic diseases.Data from the World Allergy Organization shows that if there are more than 50 dust mites per gram of dust in the environment, it can induce allergies and asthma. If there are more than 100 dust mites per gram of dust in the environment, there is a very high risk of causing acute asthma attacks.Therefore, reducing the concentration of dust mites in the home is an important part of the prevention and treatment of allergic diseases.
2 Desensitization therapy
Desensitization therapy is a treatment that gradually increases the dose of harmless external substances from small amounts to allow the body to develop immune tolerance. It is medically called specific immunotherapy and is currently the only method recommended by the World Health Organization for treating the causes of allergies.
3 Drug symptomatic treatment
The most commonly used are oral antihistamines, which are commonly known as anti-allergic drugs, such as cetirizine, loratadine, mizolastine, ebastine, etc., as well as some topical and local medications, which can effectively relieve discomfort. Medication needs to be taken under the guidance of a doctor.
4 Health management for people with allergies
Allergy health management is a management of health awareness, environmental allergens, human physiological and psychological factors, and allergy screening and review for allergic people who are worried about the occurrence of allergic diseases or are in a sub-healthy state throughout their life cycle, such as a state between eczema and allergic rhinitis.
Source: Beijing Daily, Science Popularization China
