Intrinsic Asthma: Symptoms and Diagnosis

Written by Medicover Team and Medically Reviewed by Dr Bhima Shankar , Pulmonologists

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Intrinsic asthma is a type of asthma that occurs in individuals without any apparent allergic triggers. It is often linked to factors such as stress, exercise, or respiratory infections. This condition can impact a person's overall health by causing difficulty in breathing and reducing their quality of life. Managing intrinsic asthma is essential to prevent complications and maintain well-being.

What Are the Types of Intrinsic Asthma?

Intrinsic asthma is a type of asthma that is not triggered by allergies. There are various forms of intrinsic asthma, each with distinct characteristics and triggers.

These forms may be influenced by factors such as genetics, respiratory infections, stress, exercise, or exposure to irritants like smoke or pollution. Understanding the different types of intrinsic asthma can help in managing symptoms and developing personalized treatment plans.

Allergic Asthma: Triggered by allergens like pollen, pet dander, or dust mites, causing inflammation in the airways.
ExerciseInduced Asthma: Symptoms occur during or after physical activity due to airway narrowing and increased mucus production.
Occupational Asthma: Caused by workplace irritants like chemicals, dust, or fumes, leading to breathing difficulties and chest tightness.
NonAllergic Asthma: Not triggered by allergens but by factors like stress, cold air, or respiratory infections, resulting in asthma symptoms.
AspirinExacerbated Respiratory Disease (AERD): Characterized by respiratory symptoms worsening after taking aspirin or other nonsteroidal antiinflammatory drugs.

What Are the Symptoms of Intrinsic Asthma?

Intrinsic asthma typically presents with symptoms that affect the airways and lungs. These symptoms can vary in severity and may include breathing difficulties, coughing, wheezing, and chest tightness. People with intrinsic asthma often experience these symptoms due to triggers like allergens or respiratory infections.

It is essential for individuals with intrinsic asthma to work closely with healthcare providers to manage their condition effectively.

Shortness of breath
Wheezing
Coughing
Chest tightness
Difficulty breathing

What Causes Intrinsic Asthma?

Intrinsic asthma is typically caused by factors within the body rather than external triggers. Common causes include genetic predisposition, respiratory infections, and exposure to irritants. These factors can lead to airway inflammation and increased sensitivity, resulting in asthma symptoms. Stress and exercise can also play a role in triggering intrinsic asthma attacks.

Allergies
Respiratory infections
Exercise
Cold air
Emotional stress

When Should You See a Doctor for Intrinsic Asthma?

Consult a pulmonologist or respiratory medicine specialist if you experience:

Frequent wheezing or shortness of breath
Persistent cough lasting more than a few weeks
Chest tightness that interferes with daily activities
Symptoms that worsen at night or during exercise
Frequent need for a rescue inhaler
Severe breathing difficulty requiring emergency care

Early diagnosis and appropriate treatment can help prevent severe asthma attacks and improve lung function.

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How Is Intrinsic Asthma Diagnosed?

Intrinsic asthma is typically diagnosed through a series of assessments by a healthcare provider. These evaluations aim to identify the underlying causes of asthma symptoms without external triggers. By analyzing various factors such as medical history, symptoms, and physical examinations, healthcare professionals can determine if a patient is likely experiencing intrinsic asthma.

Specialized tests may also be conducted to confirm the diagnosis and rule out other possible conditions. Early and accurate diagnosis is crucial for developing an effective treatment plan to manage intrinsic asthma symptoms and improve the patient's quality of life.

Pulmonary function tests
Methacholine challenge test
Fractional exhaled nitric oxide (FeNO) test
Chest Xray
Blood tests for eosinophils and IgE levels

What Are the Treatment Options for Intrinsic Asthma?

Intrinsic asthma treatment options typically focus on managing symptoms and preventing flare-ups. Medications such as inhalers are commonly prescribed to help control inflammation and open up the airways. In certain cases, oral medications may also be recommended.

Additionally, avoiding triggers that can worsen asthma symptoms is crucial. In severe cases, a healthcare provider may suggest other therapies or interventions to help manage the condition effectively. It is essential for individuals with intrinsic asthma to work closely with their healthcare team to develop a personalized treatment plan.

Inhaled Corticosteroids: These medications help reduce inflammation in the airways, making it easier to breathe and preventing asthma symptoms.
LongActing Beta Agonists (LABAs): LABAs relax the muscles around the airways, allowing for easier breathing and improved asthma control when used in combination with inhaled corticosteroids.
Leukotriene Modifiers: These medications block the action of leukotrienes, substances in the body that contribute to inflammation and asthma symptoms.
Theophylline: A bronchodilator medication that helps relax the muscles in the airways, making breathing easier for individuals with asthma.
Immunomodulators: These medications help regulate the immune response in asthma, reducing inflammation and improving overall asthma control.

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What Are the Risk Factors for Intrinsic Asthma?

Intrinsic asthma is primarily triggered by factors within the body rather than external elements. These internal triggers can lead to inflammation and constriction of the airways. Understanding the main risk factors for intrinsic asthma is crucial in managing and preventing its symptoms.

Family history of asthma
Allergies
Respiratory infections
Exposure to tobacco smoke
Obesity
Occupational exposure to irritants
Hormonal factors
Stress
Respiratory irritants in the environment

Frequently Asked Questions

1. What is intrinsic asthma?

Intrinsic asthma is a type of asthma that is not triggered by allergies. It is usually caused by factors such as stress, exercise, cold air, or respiratory infections.

2. What are the symptoms of intrinsic asthma?

Symptoms of intrinsic asthma include coughing, wheezing, shortness of breath, chest tightness, and difficulty breathing.

3. How is intrinsic asthma diagnosed?

Intrinsic asthma is diagnosed through medical history, physical examination, lung function tests (spirometry), and sometimes allergy testing to rule out allergic triggers.

4. What are common triggers for intrinsic asthma?

Common triggers for intrinsic asthma include viral infections, exercise, cold air, smoke, strong odors, stress, and respiratory irritants.

5. How is intrinsic asthma treated?

Treatment for intrinsic asthma involves medications such as bronchodilators and anti-inflammatory drugs, avoiding triggers, managing stress, and following an asthma action plan.