How is allergic cough caused without allergens?

Written by Wang Chun Mei
Pulmonology
Updated on September 05, 2024
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Allergic cough is a very common type of non-infectious cough, triggered by many factors. Generally, some patients may experience this cough due to exposure to certain harmful gases or irritants, while others might react to pollen, dust mites, or animal dander. Additionally, a portion of patients could be affected by the inhalation of cold air or due to genetic factors. Since it is an allergic cough, there must be triggering factors causing it. Therefore, for allergic cough, it is essential to eliminate the allergens and appropriately administer anti-allergy medications for symptomatic treatment.

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Written by Liao Bin
Pulmonology
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"What are the usual allergens for allergic cough?"

Allergic coughs can potentially be triggered by certain factors, such as exposure to allergens; common indoor allergens include dust mites and some fungi. Sometimes, contact with sensitizing substances can cause allergies, with common allergens including grain dust, pollen, flour, and animal fur. Additionally, some patients may experience allergic coughs triggered by exposure to certain medications, foods, and additives. Allergic coughs can also be caused by respiratory infections. Exposure to tobacco, air, and environmental pollution can also affect some patients, with common sources including cooking fumes from gas, smoke from cigarettes, and insecticide sprays. Therefore, patients with allergic coughs should avoid these risk factors and properly use inhaled corticosteroids to manage their condition.

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Written by Wang Xiang Li
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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 Li Rui
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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.

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Written by Wang Chun Mei
Pulmonology
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Can an allergic cough be cured by staying away from the allergen?

Allergic cough is a very common type of cough clinically, with many complex triggers. Some triggers may be related to exposure to allergens in the environment, while others may be due to oral medications or certain foods that cause an allergic cough. Therefore, depending on the different triggers, some cases of allergic cough might persist even after removing the allergen, as the severity of allergic cough varies. For mild allergic coughs, some patients may see gradual improvement in symptoms shortly after avoiding the allergen. However, most patients with allergic cough might continue to experience a persistent dry cough even after avoiding the allergen.

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Written by Deng Bang Yu
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Have you checked for allergens for allergic rhinitis?

Allergic rhinitis is a disease characterized by an allergic reaction to external substances. Since it involves allergies to external substances, it is necessary to identify what triggers the allergy, generally requiring an allergen test. Without testing the causes of allergies, the treatment is merely based on experience or a clinical diagnosis lacking in etiological understanding, which is insufficient from a pathological perspective. Moreover, after identifying the allergens, medication can be tailored according to the allergens, or general advice can be given to the patients, such as avoiding certain allergy-inducing substances. For instance, mangoes are commonly known to trigger allergies, and so are fish and seafood, thus specific guidance can be provided to avoid consuming certain foods.