Cough Variant Asthma: Symptoms, Triggers and Treatment

Cough Variant Asthma (CVA) is a type of asthma that is marked by a dry, non-productive cough. Unlike other types of asthma, a person suffering from this condition often has no traditional symptoms of asthma such as wheezing or shortness of breath.

How people are seeking more medical care?

Asthma is a chronic disease caused by inflammation of the bronchi (airways), which causes the chest to squeeze. Victims have wheezing and cough uncontrollable and persistent. The cough experienced by an asthma sufferer is different from that of a person who is simply sick because the asthma cough is non-productive (does not produce mucus). Asthma is caused by coming into contact with certain triggers, such as smoke and pollen. Once discovered, these triggers can be avoided,The symptom are treated by use medication for cough variant asthma is an effective treatment to control the conditions of this.

  Although Cough Variant Asthma (CVA) does not share more symptoms with regular asthma, It affects the body in several similar ways:

  • Increases the risk of developing other allergic diseases
  • Increases the sensitivity of the airways
  • Narrows and swells the airways, which disrupts airflow

       Asthma generally has more serious implications than  cough variant asthma (CVA). However, between 30% and 40% of adults with cough variant asthma have a cough,Then they develop to asthma. As a result, It is vital to recognize the signs and symptoms so that the proper treatment can be searched.

What Causes Cough Variant Asthma?

Cold air,Hot air,Dust,Pollution and  others,All of these just guess to be causes of cough variant asthma.Like the classic asthma with no one knows about what is really causes of it.It mean the causes of variant asthma with coughing are not fully understood.People are exposed to asthma trigger.

However, it often appears after:

  •     Exposure to allergens
  •     Breathe in cold air
  •     A higher respiratory infection such as sinusitis
  •     Start taking beta blockers, a type of medication that treats high blood pressure, heart disease and migraines
  •     Take aspirin

    There is a clear link between asthma and allergies. Up to 80% of all asthma sufferers also have nasal allergies. As allergies are a result of over-reaction of the immune system to a substance that normally should not cause a reaction, there may be an immune link with cough variant asthma, too.

What Is Risk Factor Of Cough Variant Asthma?

      Some people may be at high risk of developing cough variant asthma with coughing and other allergic diseases. Know the risk factors for this type of asthma, and if a patient has them, can help a doctor to conclude his diagnosis.

Risk factors include:

  •     Having another allergic condition
  •     Have regular asthma
  •     Having a relative with asthma
  •     Being overweight
  •     Smoking or exposure to secondhand smoke
  •     Exposure to environmental or occupational irritants

What Symptoms Of Cough Variant Asthma?

    Unlike classical asthma,Cough variant asthma often has no other symptoms, in addition to a chronic cough that does not produce mucus. A chronic cough is coughing more than 8 weeks in adults and more than 4 weeks in children.


   Cough Variant Asthma with cough is usually not serious on its own. However, suffering from a chronic cough can be harmful.

What Is Cough Variant Asthma  Effected To?

  •     Frequent interruption of sleep
  •     Exhaustion
  •     Ribs cracked or fractured
  •     Produce vomiting
  •     Make dizziness

    If cough variant asthma is not properly treated and controlled, it can also progress to classic asthma. The variant asthma itself is not serious, but classic asthma may be.

What are Including Symptoms with Classic Asthma?

Classic symptoms of asthma include the following symptoms in addition to cough:

  •     Difficult breathing
  •     Chest tightness,Chest pain
  •     Difficulty breathing
  •     Wheezing
  •     Asthma attacks – episodes in which air can not reach the lungs due to narrowing of the airway.

     Classic asthma can have some serious complications. It is critical for a patient with cough variant asthma to get treatment to prevent these complications from happening.

   Complications can include things that disrupt quality of life such as fatigue and absence from work. Serious and life-threatening complications may include:

  •     Permanent bronchial narrowing
  •     Pneumonia
  •     Collapsed lung
  •     Asthma attacks that do not respond to treatment
  •     Pulmonary insufficiency

How To Diagnosis of Cough Variant Asthma ?

     It is not easy to know when to seek medical help for cough variant asthma. In general, the only symptom is chronic unproductive cough.

    People should consult a physician for a chronic cough if it lasts for more than 8 weeks without a known cause. If any of the following symptoms develop, people should consult a doctor before ruling out other conditions or preventing cough asthma from progressing:

  •     A fever of more than 38 ° C
  •     Wheezing
  •     Difficulty breathing

Because the main symptom is a chronic cough, it can be difficult for a physician to diagnose it.

Other conditions or factors that cause chronic cough may include:

  •     Bronchitis and other upper respiratory infections
  •     Postnasal drip
  •     Acid reflux and GERD (gastroesophageal reflux disease)
  •     Medications for blood pressure
  •     COPD (chronic obstructive pulmonary disease) and chronic bronchitis

To diagnose coughvariant asthma, other conditions that may cause persistent cough should be ruled out.

       As patients with cough variant asthma often have normal chest X-rays and Spirometry tests, physicians may be challenged with methacholine. When inhaled, methacholine triggers coughing and bronchial spasms in all. However, increased sensitivity to methacholine may indicate asthma.

      If a doctor strongly suspects variant asthma, they may skip the methacholine test and prescribe asthma treatments. If cough symptoms improve with the use of asthma medications, the medical provider will diagnose variant asthma with cough.

How Is Cough Variant Asthma Treatment And Prevention?

   The treatment for cough variant asthma is the same as the treatment for classic asthma. Suitable treatments vary by patient and may include a combination of the following:

  •     Inhaled corticosteroids or inhaled anti-inflammatory drugs that alleviate and prevent airway swelling
  •     Inhalers that reduce inflammation quickly in the event of an asthma attack
  •     Combination of Inhalers Combining Preventive Medications and Rapid Response Drugs
  •     Preventive oral medications that work to keep the airways open

    Preventing the symptoms of cough variant asthma is the best treatment. People who receive medication to prevent asthma symptoms should follow their doctor’s orders to prevent episodes and prevent cough asthma from getting worse.

Measures can also be taken to reduce the risk of developing asthma. To reduce the risk of developing asthma, people should:

  •     keep a healthy weight
  •     Know your personal risk factors
  •     Treat any allergic conditions properly
  •     Give up smoking
  •     Avoid passive smoke and other environmental and occupational irritants


      While 30% to 40% of patients with cough variant asthma go on to develop classic asthma, some have no complications. While asthma is a lifelong condition, most asthma patients can lead normal, active lives if the condition is controlled with medications and lifestyle.


Leave a Reply

Your email address will not be published. Required fields are marked *