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What Is Non Allergic Asthma

What Is Allergic Asthma

Seasonal Allergic Asthma vs Non-Allergic Asthma

Both seasonal and non-seasonal asthma can be classified as allergic asthma. Allergic asthma is a kind of asthma that is triggered by allergens as opposed to exercise or weather. Common triggers for allergic asthma include:

  • Pollen
  • Tobacco smoke
  • Beauty care products such as cologne, perfume, hairspray, etc.

While some of these triggers are only present at certain times of the year, such as pollen, allergic asthma is simply a type of respiratory illness thats triggered by a reaction to something that you come in contact with.

This can often make allergic asthma difficult to manage as you have to find the common factor in all of your asthma flare-ups. However, once you identify your triggers, it can be relatively easy to avoid them.

Eosinophilic Asthma A Severe Form Of Asthma

The various types of asthma can usually be controlled well with the currently prescribed drugs. There are, however, severe forms of non-allergic asthma that occur only in the second half of life and that do not, or only insufficiently, respond to current drug therapies. In these cases, doctors speak of eosinophilic asthma. This type of asthma is treated with special drugs that suppress inflammatory processes in the lungs.

The term Ć¢eosinophilic asthmaĆ¢ is derived from what are known as eosinophilic granulocytes. These are a subgroup of white blood cells that play an important role in immune defense. These defense cells play a significant role in overreactions of the immune system. If the body produces an excessive number of them, they can cause inflammation in the lungs. These inflammations can then in turn lead to asthma attacks.

Doctors can determine whether a patient is suffering from eosinophilic asthma by means of a simple blood test. Like allergic asthma, eosinophilic asthma is a type 2 inflammatory disease and can be detected by the typical biomarkers. An elevated number of eosinophils in the blood, accompanied by a high FeNO level, may indicate eosinophilic asthma.

Asthma A Disease With Many Variations

Asthma is a chronic inflammatory disease of the airways, whose symptoms have very different manifestations from one individual to another. While someone with only mild symptoms can usually cope with everyday life without major problems, a more pronounced course of the disease giving rise to shortness of breath and recurring asthma attacks will severely restrict the lives of those afflicted. Even when the symptoms are kept at bay, severe asthma sufferers live in constant fear of a renewed attack.

In order to know what makes the symptoms worse or what can trigger an asthma attack, everyone should know what type of asthma they have. This will help them to avoid the triggers or situations that might provoke asthma attacks.

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Study Design And Population

The present study is part of the FinEsS study, which is a postal questionnaire study on respiratory epidemiology conducted in collaboration in these three Northern European countries. Similar postal surveys were conducted in 1996, 2006 and 2016. The present study sample is part of the latest survey conducted in Finland in February 2016 and is formed from a random sample of 8000 subjects aged 2069years from the population in western Finland . The study sample was obtained from the Finnish Population Register and it was matched to the age and gender distribution of the population in the geographical area of our study. Finland is a bilingual country and the registered native language of a subject determined whether questionnaire in Finnish or Swedish language was used. The questionnaire was sent to a random sample of 7986 subjects after exclusion of subjects with unknown address. Two reminders were sent to those not responding. The sample size was 7942 subjects after further exclusion of subjects with non-analyzable data as shown in Fig. . In total, 4173 subjects responded yielding to a response rate of 52.3%. Of the responders, 206 were excluded because of missing data regarding smoking habits and thus, the actual sample size was 3967 responders included in the study. The study protocol was approved by the Ethical Committee of Helsinki University Hospital .

Fig. 1

Is Allergic Asthma Dangerous


Allergic asthma, like any type of asthma, can be very dangerous and lead to an asthma attack. An asthma attack can happen when a trigger causes the lungs to become inflamed and swollen. Then the muscles around your breathing tubes tighten and spasm while more mucus than usual is produced. All these factors make the breathing tubes narrow and make it harder to get air into your lungs.

If you think you are experiencing an asthma attack, dial 9-1-1, use your quick-relief inhaler and seek urgent care.

Living with allergic asthma, you may feel frustrated or scared. This is normal. Asthma can be frightening but know that you can work with your doctor to develop a plan to treat both your asthma and your allergies. With treatment, you should be able to reduce the frequency and severity of your symptoms. Dont let your allergic asthma prevent you from living a happy, healthy life.

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Flu Vaccine May Decrease Asthma Risk In Patients With Atopic Dermatitisyour Browser Indicates If You’ve Visited This Link

With up to 80% of children with AD developing asthma or allergic rhinitis later in life … 1000 person-years for vaccinated patients and 15.1 per 1000 person-years for non-vaccinated patients. After adjusting for potential confounding factors, patients …

The American Journal of Managed Care

How Is Each Asthma Type Treated

After your doctor identifies the influencing factor contributing to your intrinsic asthma, recommendations for your specific triggers have to be made. These can include changes to your environment, nutrition, and lifestyle. Additionally, you may be prescribed various medications, including antibiotics and steroids, that are aimed at your infection and inflammation. If your asthma is triggered by stress or anxiety, psychological counseling may be required to treat your non-allergic asthma.

Extrinsic asthma treatment is usually a tandem treatment approach and often consists of treatment for your asthma as well as your allergies. Asthma treatment will involve medications to reduce the inflammation which weve described above. At the same time, allergy treatment will depend on the allergen you are reacting to, as well as the severity of the symptoms. Note that some corrections in your nutrition and lifestyle can also be required, in addition to traditional allergy medicine.

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What Are Common Allergens That Can Trigger Allergic Asthma

What triggers allergic asthma may vary from person to person. Some common culprits that trigger allergic asthma include:

  • Pollen from grass, trees and weeds
  • Pet dander
  • Dust mites
  • Mold

People with allergies often find that their body reacts differently to different substances. Some allergens may cause a rash or eye symptoms others may cause asthma symptoms. That is why it is important to know your triggers and how your body responds.

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What Severe Asthma Treatments Are Available

English for Nurses: Non-allergic Asthma

In recent years, scientists developed medications called biologics to target the cells and pathways that link inflammation to asthma. Biologics are often called precision medicine because they are for particular types of a disease.Some biologics target eosinophils and IgE while others target cytokines, such as interleukin-4 , IL-5 and IL-13.

If you have asthma that is persistent and difficult to control despite medication, talk with your doctor about Type 2 inflammation. You may want to ask whether stepping up medications is right for you.

Patients with allergic asthma may want to consider allergen immunotherapy. Allergen immunotherapy can reduce the underlying trigger of asthma and decrease the severity of symptoms over time.

Other conditions that involve Type 2 inflammation include:

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Different Types Of Triggers

There are two types of asthma triggers:

Inflammatory triggers set off an allergic reaction and can cause inflammation of the lung airways or tightening of the airway muscles. Inflammatory triggers include dust mites, animals, cockroaches, moulds, and pollens. Identification of allergic triggers is best confirmed by an allergists assessment.

Symptom triggers generally do not cause swelling, but they can provoke twitchy airways, especially if theyre already inflamed. Symptom triggers include smoke, exercise, cold air, chemical fumes , and intense emotions.

Prevalent Asthma Including Exacerbations

TABLE 1. Characteristics of the studies investigating prevalent asthma or asthma exacerbations

For longitudinal studies, this is age at enrolment.
The numbers are percent increase in outcome rates from Poisson models.

The ever-increasing body of evidence is indicative of a dose-response relationship between air pollutants and prevalent asthma or asthma exacerbations. However, the levels at which these effects are observable varies across studies and sometimes these are lower than the WHO or national air quality standards for the respective regions.

Rebecca M. Cooper, … Ian Sayers, in, 2022

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Whether Its Asthma Allergies Or Both These Conditions Can Be Managed

With the right care and treatment plan, you can help your child manage their asthma, allergies or both so they can live a happy, healthy life.

If your child has never been diagnosed with asthma, allergies or is starting to show new symptoms make a primary care appointment. There are many conditions that look similar and your doctor can help demine if your childs symptoms are related to asthma, allergies or COVID-19, or something else.

With in-person and video visit options, you can choose the appointment type thats most convenient for you.

If your child has been diagnosed with asthma, allergies or both, you can schedule a visit with an allergy and asthma specialist without a referral.

Tips To Reduce Exposure To Pollen

FAQs About Allergic Asthma: Whos at Risk and How It Takes ...

The season for pollen allergies can last for several months and occurs when plants are flowering. The timing of your own personal allergy season will depend upon which plants you are allergic to, and when they flower.

A direct way to manage pollen allergies is to reduce your exposure to pollens. Pollen counts are published in the media and can help you to plan to avoid exposure.

To reduce your exposure to pollen during peak times:

  • Stay indoors in the morning, if possible grass pollens mainly circulate in the morning.
  • Avoid mowing the grass, or wear a mask when you mow if someone else is doing the mowing, stay indoors while they do so.
  • Keep windows closed in your home and car.
  • Avoid picnics in parks or in the country during the pollen season.
  • Wear sunglasses to protect your eyes.
  • Plant a low-allergy garden around your home, especially near the windows of your home.

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Are Allergies And Asthma Linked

For some people, allergies and asthma can be linked. Both conditions can make breathing difficult. Allergies and asthma can be triggered by some of the same things, including pollen, dust, and mold.

Asthma which is triggered by an allergic reaction is called allergy-induced asthma. You may also hear allergy-induced asthma called allergic asthma.

Protective Shielding Limiting Virus Exposure

Behavioral factors are likely to be important. Protective shielding for at-risk groups, including those with asthma, has been widely advocated by international guidelines. Reduced exposure to SARS-CoV-2 amongst patients with asthma may therefore be contributing to the low prevalence of asthma reported in hospitalized cohorts . Government policies to limit the spread of the pandemic have also led to reductions in air pollution, which increases the severity of virus-induced asthma exacerbations . Nationwide preventive measures for COVID-19 in Japan were associated with a sharp drop in hospitalizations for asthma as a secondary effect .

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Susceptibility Of Patients With Asthma To Covid

In the early stage of the pandemic, asthma was inconsistently mentioned among the significant clinical risk factors for SARS-CoV-2 infection in studies from China and Italy . Studies from Russia, Saudi Arabia, Brazil, and India also reported lower rates of asthma among patients with COVID-19 . Instead, studies from the USA and the UK reported that comorbidity rates of asthma in patients with COVID-19 were similar or higher than those in the local population . Recently, Broadhurst et al. performed a focused literature review among patients hospitalized for COVID-19 infection their findings suggest that asthma prevalence appears to be similar to population asthma prevalence and significantly lower than asthma prevalence among patients hospitalized for influenza . Kalyanaraman et al. reviewed the electronic health records of all patients who received a SARS-CoV-2 test and showed that asthma was not associated with testing positive . A systematic review and meta-analysis of 131 studies from 39 countries reported asthma prevalence in adult or all-age-group patients with COVID-19. The regional asthma comorbidity rates were estimated as follows: East Asia and the Pacific, 2.2% Europe, 6.4% Latin America and the Caribbean, 3.5% the Middle East and North Africa, 4.9% North America, 10.2% . Very recently, Terry et al. performed a systematic review and meta-analysis of 150 studies and did not find clear evidence of increased risk of COVID-19 diagnosis in asthmatics .

Why Might Asthma Protect Against Poor Outcomes In Covid

Non allergic asthma linked with increased risk of severe COVID-19

Several studies have suggested possible non-harmful or protective effects of asthma on the clinical outcomes of COVID-19. Asthma might protect against poor outcomes in COVID-19 due to several possible mechanisms , including altered viral entry receptor expression, chronic type-2 inflammation, younger age and/or absence of comorbidities, reduced exposure due to shielding, increased adherence to therapy and ICS use .

Possible mechanisms by which asthma might protect against poor outcomes of COVID-19

ACE2 receptor

Inflammatory endotypes and COVID-19

Eosinophilic inflammation

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Tips To Reduce The Risk Of Exercise

Exercise is an important part of a healthy lifestyle and can help to control asthma symptoms. Many top athletes, including Olympic medallists, have asthma.

Tips to reduce the risk of asthma symptoms during exercise include:

  • Manage and control your asthma with preventer medication so you are less likely to have symptoms.
  • Always carrying your reliever medication with you.
  • Warm up as usual before exercising your doctor may recommend taking reliever medication 15 minutes before exercising.
  • Cool down after exercising asthma symptoms can appear up to 30 minutes after exercising.
  • If symptoms appear, start asthma first aid and return to exercise only if you can breathe freely. If symptoms appear a second time, start asthma first aid and do not return to exercise. Visit your doctor for a review of your asthma symptoms.

Allergic Vs Nonallergic Rhinitis

Allergic rhinitis is defined as nasal discharge or blockage and sneezing attacks that last for more than an hour on most days due to an allergen. Any nasal condition with the symptoms of allergic rhinitis but whose etiology is unknown is defined as the nonallergic rhinitis. Cause This is caused by an allergen. Nonallergic rhinitis is caused by the action of a pathogen such as a rhinovirus.

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Actions For This Page

  • Asthma symptoms can be triggered by a range of things.
  • Allergic triggers include dust mites, pollen, animal dander and mould.
  • Non-allergy triggers include smoke, exercise, cold air and viruses.
  • Reducing exposure to substances that trigger allergies and asthma symptoms can help you to control your asthma.
  • Ask your doctor about how you can avoid or reduce exposure to triggers of your asthma symptoms.
  • Aim for a smoke-free environment, both for yourself and your children.
  • Ask your doctor to update your asthma action plan each year.

Intrinsic Vs Extrinsic Asthma

Non Allergic Asthma Pathophysiology

Allergic asthma, which is also called extrinsic asthma or allergy-induced asthma, is caused by allergens. So, allergic asthma is often triggered during spring, fall and summer allergy seasons. But it can really flare up any time, since other environmental allergens are present year-round. Between 80-90% of children with asthma have allergy triggers, compared to 50% of adults.

Non-allergic asthma, or intrinsic asthma, can have a wide range of triggers, including respiratory infections, exercise, smoke exposure or even stress. In this category, infections are especially common triggers for allergies in children.

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Allergic Rhinitis And Asthma Prevalence

Allergic rhinitis is an important health problem and affects up to 40% of the worldwide population . Its prevalence in the Canadian population is between 10 and 25% . Forty percent of allergic rhinitis patients have asthma, and as much as 94% of allergic asthma patients have allergic rhinitis . In Canada, the current prevalence of asthma is 8.4% whereas worldwide prevalence varies from 1.6 to 37% .

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Does Allergic Asthma Go Away

Some people think you can outgrow asthma, but this isnt really true. Asthma can cause airway remodeling, so even if your symptoms subside over time, you dont really outgrow it.

However, some people do outgrow certain allergies or rather their body doesnt have as strong of an allergic response. You may believe that your allergic asthma is going away, but think of it more like being in remission. Even after years without symptoms, an allergen exposure can trigger an allergic asthma attack.

Conversely, there is also increasing awareness that allergies and allergic asthma can develop in adulthood.

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How Are Both Types Diagnosed

Even though extrinsic and intrinsic asthmas have the same major symptoms, the diagnosis and treatment stages do differ for both conditions. In order to identify intrinsic asthma, your doctor will have to order a lung X-ray and blood work in addition to a thorough physical examination. Sometimes your physician will also want to perform a spirometry, peak flow, or lung function tests in order to figure out more details about your condition. After that, your doctor will have to perform an analysis on what factor cause your non-allergic asthma. When it comes to diagnosing extrinsic asthma, your physician will likely order all of the abovementioned tests as well as a skin prick test, to see what your body perceives as an allergen.


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