Asthma cough treatment
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Inhaled Corticosteroids and Combination Therapies for Asthma Cough
Inhaled corticosteroids (ICS) are a mainstay for treating cough in asthma, especially cough variant asthma (CVA). Studies show that using ICS, either alone or in combination with long-acting β2-agonists (LABA) like budesonide-formoterol, leads to significant improvement in cough symptoms for most patients, with one study reporting an 86.3% improvement rate in cough symptoms after using a budesonide-formoterol inhaler . For patients whose cough persists despite medium-dose ICS/LABA therapy, switching to a combination of indacaterol/glycopyrronium/mometasone (IND/GLY/MF) or stepping up to a higher dose of ICS/LABA is being evaluated for better cough-specific quality of life and symptom relief .
Bronchial Thermoplasty for Severe Asthma Cough
For severe, uncontrolled asthma with persistent cough, bronchial thermoplasty (BT) is an emerging option. BT has been shown to improve cough severity and cough-related quality of life, particularly in patients with cough-predominant asthma, by reducing cough hypersensitivity . However, more research is needed to confirm its effectiveness in larger patient groups .
Acupuncture and Herbal Medicine for Cough Variant Asthma
Acupuncture has demonstrated benefits in treating cough-variant asthma, including higher clinical effectiveness, reduced relapse rates after stopping medication, and improved lung function and immune markers. It also helps relieve cough, phlegm, and chest congestion . However, the quality of evidence is limited, and more rigorous studies are needed .
Herbal medicine is widely used for chronic cough and CVA. Meta-analyses show that herbal medicine can improve quality of life and reduce cough frequency and severity compared to placebo or montelukast, but it is not superior to ICS plus bronchodilator therapy . Chinese herbal medicine, when combined with anti-inflammatory medications, may also help reduce symptom relapse and improve long-term outcomes, though more high-quality evidence is needed .
Traditional Chinese Medicine Approaches
Traditional Chinese medicine (TCM) treats CVA by addressing underlying imbalances such as "Qi deficiency" and "phlegm heat," aiming to both relieve symptoms and address root causes. TCM uses a holistic approach, focusing on dispelling harmful factors during acute episodes and strengthening the body during remission . Modified Dingchuan Decoction, a TCM formula, has been shown to reduce cough, suppress lung inflammation, and regulate lung microbiota in animal models . Suhuang antitussive capsules, another TCM remedy, reduce inflammation and oxidative stress, which may help control cough in CVA . Reviews highlight that TCM offers personalized treatment plans based on syndrome differentiation, complementing Western medicine approaches .
Conclusion
Effective treatment of asthma-related cough, especially cough variant asthma, often starts with inhaled corticosteroids, with combination therapies and dose adjustments for persistent symptoms. Bronchial thermoplasty may help in severe cases. Acupuncture and herbal medicine, including traditional Chinese medicine approaches, show promise for symptom relief and reducing relapse, but more high-quality research is needed to confirm their long-term safety and effectiveness. Combining Western and traditional therapies may offer the best outcomes for patients with persistent asthma cough 1234+6 MORE.
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