Cough variant asthma digital illustration

Cough variant asthma Save


ICD-10 code: J45.991

Disease category: J45.99: Other asthma

Cough Variant Asthma: Symptoms, Causes, and Diagnosis

Cough variant asthma (CVA) is a unique form of asthma where the primary symptom is a persistent, dry cough. Unlike typical asthma, patients with CVA may not experience wheezing or shortness of breath. This condition is often misdiagnosed as allergies or a common cough, making it essential to understand its symptoms, causes, and diagnostic methods.

The most prominent symptom of cough variant asthma is a chronic cough that may worsen at night or upon exposure to triggers such as cold air, exercise, or irritants like smoke or pollen. The cough may persist for weeks or even months, making it challenging to identify the underlying cause.

Common Symptoms:
  1. Chronic, dry cough
  2. Cough worsens at night or with certain triggers
  3. Cough may be the only symptom

The exact cause of cough variant asthma is not fully understood. However, medical professionals believe that it shares similarities with other types of asthma. It is thought to result from inflammation and hypersensitivity of the airways. Certain factors, such as genetics and exposure to allergens, may increase the risk of developing CVA.

Diagnosing cough variant asthma can be challenging due to the absence of the typical asthma symptoms. A thorough evaluation by a healthcare professional is necessary to rule out other potential causes of the cough. This evaluation may include a detailed medical history, physical examination, and diagnostic tests such as lung function tests, chest X-rays, or allergy testing.

Key Points:
  • Cough variant asthma is characterized by a persistent, dry cough.
  • Common triggers include cold air, exercise, and irritants like smoke or pollen.
  • Genetics and exposure to allergens may increase the risk of developing CVA.
  • Diagnosis involves ruling out other potential causes and may include various tests.

While CVA does not have a specific treatment section, it is important to note that effective management strategies exist. These may include avoiding triggers, using inhalers or other prescribed medications, and adopting a healthy lifestyle. Consulting a healthcare professional is crucial for accurate diagnosis and personalized treatment options.

In conclusion, cough variant asthma is a unique form of asthma characterized by a chronic, dry cough. Understanding its symptoms, causes, and diagnostic methods is essential for early identification and appropriate management. If you or someone you know experiences a persistent cough, consulting a healthcare professional is recommended to determine the underlying cause and receive proper care.

Treatment of Cough variant asthma:

Treatment Options for Cough Variant Asthma

Cough variant asthma (CVA) is a type of asthma that primarily manifests as a persistent cough. Unlike typical asthma, CVA does not always display common asthma symptoms such as wheezing or shortness of breath. If you or someone you know is dealing with CVA, understanding the available treatment options is crucial for managing this conditio...

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