Allergy

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Written by Li Xiao Lin
Emergency Department
1min 7sec home-news-image

If you are allergic to lobster, will you be allergic to other seafood?

When allergic to lobster, consuming other seafood may also trigger allergies. Therefore, in terms of diet, besides avoiding lobster, other seafood, as well as fruits like mango, should also be avoided. Additionally, when outdoors, it's important to be mindful of the environment to reduce exposure to pollen that can cause allergies. It's also advisable to avoid spicy, sour, or pungent foods and yeast-containing products. Drinking more water and eating fresh vegetables and fruits is recommended. Engaging in regular exercise to strengthen the body can help reduce the frequency of allergic reactions. Furthermore, it is suggested to undergo further medical examinations at a hospital to identify specific allergens and prevent future allergic incidents that could pose dangers. If an allergic reaction occurs after eating, immediate oral administration of antihistamines such as cetirizine or loratadine is necessary to prevent worsening of the condition, or seek immediate medical treatment at a hospital. (Medication should be taken under the guidance of a physician.)

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Written by Xu Peng
Pulmonology
48sec home-news-image

What are the common allergens for allergic cough?

Common allergens for allergic cough include pollen, dust, dust mites, and seafood. If a patient is allergic to these allergens, they should avoid contact with them as much as possible. It is important to strengthen the body through regular exercise and a balance of work and rest. Increase nutrition and eat more high-quality, high-protein foods to enhance the body's resistance. Additionally, keep warm and avoid catching cold, especially during the winter and spring seasons when temperature differences between morning and evening are significant, and adjust clothing accordingly. Change unhealthy lifestyle habits: do not smoke, do not drink alcohol, do not stay up late, and avoid the dangers of secondhand smoke to protect lung function.

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Written by Li Rui
Otolaryngology
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How to identify allergens in allergic rhinitis

Allergic rhinitis is a relatively common otolaryngological disease. The main cause is the body's immune response triggered by contact with allergens, leading to an imbalance in the immune status and causing a series of clinical symptoms. Therefore, in terms of treatment, it is first necessary to identify the specific types of allergens. Currently, there are two methods for allergen testing. The first method is ex vivo allergen screening, which involves blood tests. The second method is the skin prick test to identify specific allergens. Both methods are commonly used at present, and generally, choosing one of them is sufficient. However, a subset of patients may need a combination of both tests for a comprehensive assessment.

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Written by Zhu Zhu
Dermatology
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Mite allergy symptoms

Dust mites are tiny animals that are generally invisible to the naked eye and can only be seen under a microscope. If a dust mite allergy occurs, it can cause many skin symptoms, such as acne, itching, pigmentation, or erythema, severely affecting the patient's quality of life and appearance. Therefore, if a dust mite allergy is present, it is important to pay attention to personal hygiene and skin cleanliness, and maintain ventilation in the house. Treatment can include the use of anti-allergy medications.

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Written by Yuan Qing
Pulmonology
34sec home-news-image

How to test for allergens in allergic asthma

Allergic asthma is a subtype of bronchial asthma. As the name suggests, allergic asthma refers to asthma symptoms that are related to contact with external allergens, such as dust, pollen, dust mites, pet dander, etc. When these substances are inhaled into the trachea, they can trigger asthma symptoms. Clinically, when testing which substances a patient is allergic to, it is called allergen testing. Common methods include blood tests and skin prick tests, which can be combined for comparison to identify the allergens.

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Written by Wang Xiang Li
Emergency Medicine
1min 17sec home-news-image

Drug allergy symptoms

Drug allergies mainly manifest as skin itching, red rash, and papules; severe cases may experience ulceration, exfoliative dermatitis, in the respiratory system it may present as nasal congestion, breathing difficulties, and laryngeal edema; in the digestive system, patients may experience abdominal pain and diarrhea, sometimes accompanied by joint pain and swelling, immune dysfunction, and the occurrence of allergic purpura. Some drug allergies can cause neurological reactions, such as dizziness and headaches. When a drug allergy occurs, immediately stop using the suspected medication, and simultaneously take anti-allergy medications such as loratadine, cetirizine, or administer diphenhydramine via muscular injection. Oral intake of compound glycyrrhizin capsules may be considered. If there is laryngeal edema, it is crucial to seek prompt medical attention at a hospital, actively manage the allergy, and severe cases may require a tracheotomy for rescue. (Specific medication usage should be conducted under the guidance of a doctor, and medications should not be used without authorization.)

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Written by Wang Xiang Li
Emergency Medicine
54sec home-news-image

Symptoms of alcohol allergy shock

Patients with an allergy to alcohol can experience allergic shock, exhibiting symptoms like chest tightness, palpitations, a sensation of throat blockage, breathing difficulties, and a flushed face. Additional symptoms include dry mouth, dizziness, blurred vision, numbness in the face and limbs, and circulatory system failure, indicated by chills, cold sweats, cyanosis, restlessness, a weak pulse, and even a drop in blood pressure. Some patients may also experience loss of consciousness, coma, convulsions, and incontinence. Due to the alcohol allergy, patients may show allergic reactions like skin itching, hives, or other rashes. A minority of patients may also have abdominal pain, diarrhea, nausea, vomiting, sneezing, and fever.

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Written by Deng Bang Yu
Otolaryngology
53sec home-news-image

Do you need to check for allergens for allergic rhinitis?

Allergic rhinitis is a type of hypersensitivity disease. The first thing we need to know about allergic rhinitis is that it requires allergen testing. Traditionally, the diagnosis of allergic rhinitis is based on clinical symptoms, without involving etiological diagnosis. Testing for allergens is aimed at diagnosing based on its etiology. Secondly, we need to be aware of the allergens responsible for allergic rhinitis, which include food allergies and asthma-related allergies. By identifying food allergens, we can avoid consuming these substances in daily life. For instance, if one is allergic to fish and seafood, they should avoid eating these foods. Similarly, if allergic to mangoes, one should also avoid mangoes. Thus, overall, it is necessary to identify the sources of allergens in allergic rhinitis.

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Written by Zhou Hui Ming
Pediatrics
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Symptoms of baby food allergies

Babies generally start adding supplementary food between four to six months old. Some children may exhibit symptoms after introducing additional foods, which resemble those caused by allergies. These symptoms primarily appear on the skin, in the oral cavity, digestive tract, and respiratory tract. They might present in one area or multiple areas. The most common symptoms include constipation, bloating, vomiting, diarrhea, and pain. Additionally, manifestations on the skin can include eczema, severe cases may develop urticaria or other types of allergic dermatitis.

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Written by Li Rui
Otolaryngology
42sec home-news-image

How to Test for Allergens in Allergic Rhinitis

Allergic rhinitis is considered an autoimmune disease, mainly triggered by the body's immune response after contact with allergens, leading to related clinical symptoms such as itchy nose, runny nose, and sneezing. Generally, it is necessary to conduct an allergen test. Currently, there are mainly two methods for allergen screening. The first is the skin prick test, and the second is a blood test. Both methods are commonly used clinically. Relatively speaking, the skin prick test may induce higher risks of side effects or allergies. Some patients may need to undergo both tests and look at the results comprehensively, but most patients can choose one of the two.