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Pediatrics · Chapter 5. Allergic Diseases

Allergic rhinitis and bronchial asthma

Rhinitis allergica et Asthma bronchiale

Allergic rhinitis and bronchial asthma are two closely related respiratory diseases that are often viewed as a unified airway pathology. It has been proven that upper respiratory tract involvement is a strong predictor of lower respiratory tract involvement, which necessitates mandatory cross-diagnostic screening.

Risk factorAllergic rhinitis is an entirely independent predictor of asthma development.
PreventionTimely treatment of rhinitis prevents the onset of asthma in children.
ScreeningWhen one disease is confirmed, a targeted search for the second is always performed.
TherapyIn comorbid presentation, treatment is selected taking into account the severity of both conditions.
2 min readFor medical studentsUpdated Sep 20, 2026
Material prepared by WhiteCoat Pro editorial team based on platform study guidesReviewed by medical editor: Aulov A. A., general practitioner · 09/24/2026

Allergic rhinitis as a predictor of asthma

In clinical practice, allergic rhinitis (AR) cannot be viewed solely as localized inflammation of the nasal mucosa. According to modern data, the presence of this disease is an independent risk factor. This means that allergic rhinitis itself acts as a strong predictor, significantly increasing the likelihood that the patient will subsequently develop bronchial asthma (BA).

Prevention of onset in children

Special attention is paid to the problem of comorbid pathology in pediatrics. The key point is that the progression of the allergic process can be halted. This requires:

  • The earliest possible diagnosis of upper respiratory inflammation symptoms.
  • Adequately selected therapy for rhinitis.

If these conditions are met, physicians can successfully prevent the onset of bronchial asthma in children of absolutely any age. Thus, controlling AR is direct prevention of BA.

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Cross-screening rule

The close clinical relationship between the two nosologies dictates the need for a strict examination algorithm. A bidirectional cross-screening rule has been introduced, which is mandatory for every patient:

  1. In established BA: it is necessary to purposefully and actively search for clinical signs of allergic rhinitis.
  2. In established AR: it is equally important to rule out the presence of latent or overt bronchial asthma.

Management tactics in comorbidity

The comorbid course of allergic rhinitis and bronchial asthma requires a fundamentally different approach compared to isolated forms of the diseases. Isolated treatment of only the nose or only the bronchi is recognized as ineffective.

The physician is obliged to prescribe comprehensive therapy. The main criterion for choosing the extent of pharmacological intervention is the severity grade of both diseases. Tactics are structured so that medications simultaneously control the inflammatory process in both the upper and lower respiratory tracts, depending on symptom severity.

How to memorize

The mirror rule: found asthma — look for rhinitis; saw rhinitis — rule out asthma. Treat them together, focusing on the severity of both!

Class and exam questions

Is allergic rhinitis considered an independent risk factor for asthma?

Yes, the presence of allergic rhinitis is considered in medicine to be an entirely independent predictor and risk factor for the development of bronchial asthma.

Can the development of bronchial asthma be prevented in a child with rhinitis?

Yes. Early diagnosis and appropriately selected therapy for allergic rhinitis in children of any age can effectively prevent the onset of asthma.

What is the essence of cross-screening in allergic diseases?

The essence lies in bidirectional screening: in all patients with established asthma, rhinitis must be actively sought, and in patients with rhinitis, asthma must be ruled out.

How is therapy chosen during the simultaneous course of AR and BA?

In comorbidity, strictly comprehensive therapy is prescribed. It must necessarily take into account the current severity grade of both rhinitis and bronchial asthma.

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What else to study on this topic

  • Criteria for diagnosing allergic rhinitis in children.
  • Assessment and classification of bronchial asthma severity.
  • Assessment of allergic rhinitis severity.
  • Principles of selecting comprehensive therapy in comorbid conditions.
  • Features of early diagnosis of respiratory allergies.

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Other topics in "Chapter 5. Allergic Diseases"

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