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31 lip 2024 · Acute bronchitis is usually caused by viruses, typically the same viruses that cause colds and flu (influenza). Many different viruses — all of which are very contagious — can cause acute bronchitis.
8 wrz 2022 · Bronchitis is an inflammation of the airways leading into your lungs. When your airways (trachea and bronchi) get irritated, they swell up and fill with mucus, causing you to cough. Your cough can last days to a couple of weeks. It’s the main symptom of bronchitis. Viruses are the most common cause of acute bronchitis.
12 kwi 2024 · The single underlying cause of both types of bronchitis is inflammation and swelling of the bronchi and accumulation of mucus in the lining of the bronchi, which together obstruct breathing. A viral or, less often, bacterial infection causes acute bronchitis.
22 sie 2024 · Causes of acute bronchitis include viral and bacterial infections, environmental factors, and other lung conditions. Viral infection : Viruses cause 85 to 95 percent of acute bronchitis...
13 gru 2023 · Bronchitis is an infection of the tubes that lead to the lungs. It can be acute or chronic. Symptoms include a cough and wheezing. Smoking is a major risk factor. Find out more.
2 gru 2022 · Causes. Acute bronchitis is usually caused by airway inflammation from viral infections, such as the cold, influenza (flu), respiratory syncytial virus RSV, or COVID-19 viruses. Occasionally, a bacterial infection can cause acute bronchitis.
8 mar 2024 · Bronchitis Causes. Most often, the same viruses that give you a cold or the flu cause acute bronchitis. But sometimes, even bacteria can bring it on.
