You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. avoid secondhand smoke and other environmental and occupational irritants.avoid known allergens whenever possible.manage any allergic conditions properly.Individuals can lower the risk of developing classic asthma if they: People who use medications to prevent asthma symptoms should follow their doctor’s advice to prevent episodes and keep CVA from worsening. Preventing the symptoms of CVA from flaring is the best treatment. preventive oral medications that work to keep the airways open.anti-histamines or other allergy medications.leukotriene inhibitors, medications that block the activation of certain parts of the immune system.combination inhalers that combine both preventive medicines and fast-responding medicines.rescue inhalers or inhalers that reduce inflammation quickly in the case of an asthma attack.inhaled corticosteroids or inhaled anti-inflammatory drugs that ease and prevent swelling in the airways.The right treatments vary from one individual to another. The treatments for CVA are the same as the treatments for classic asthma. The goal of treatment is to prevent complications from developing. Medications can relieve breathing problems. Share on Pinterest CVA and asthma affect the airways. If cough symptoms improve with use of the asthma medications, but no other signs or symptoms of classic asthma are present, the provider will likely diagnose CVA. If a doctor strongly suspects CVA, they may skip the methacholine test and prescribe asthma treatments to see if improvement occurs. A person with asthma will be more sensitive to methacholine than most people causing lung function to drop during the test. When a person with asthma inhales methacholine, it triggers coughing and bronchial spasms. Since people with CVA often have normal results in a chest X-ray or spirometry test, a doctor may carry out a methacholine challenge. upper respiratory infections, like sinus infectionsĪ number of tests can help rule out other conditions when diagnosing CVA.Other conditions or factors that cause a chronic cough can include: difficulty tolerating physical activity.If any of the following symptoms develop, people should see a doctor sooner to rule out other conditions: However, a study of 131 cases of chronic cough found that 24 percent of these were due to CVA. ![]() Early treatment may prevent the development of complications or chronic asthma.ĬVA can be difficult to diagnose since the only symptom is a chronic cough, and this can be a symptom of various health conditions. People should see a doctor if a cough lasts for more than 8 weeks with no known cause. Share on Pinterest An x-ray is usually normal with CVA, but it can help rule out other conditions. asthma attacks that don’t respond to treatment.permanent narrowing of the bronchial tubes. ![]() Serious and potentially life-threatening complications can include: The long-term complications of poorly controlled asthma can include decreased lung function and chronic obstructive pulmonary disease (COPD).
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