A lingering cough refers to a persistent or prolonged cough that lasts for an extended period beyond the typical duration associated with common respiratory infections. While many coughs resolve within a few weeks, a lingering cough may persist for several weeks or even months. There are various potential causes for a persistent cough, and it's essential to identify the underlying reason to determine the most appropriate treatment. Some common causes of a lingering cough include:
Post-Viral Cough
Following a respiratory infection such as the flu or a cold, a cough can linger even after the infection has cleared. This is known as a post-viral cough and can last for several weeks.
Allergies
Allergic reactions to environmental triggers like pollen, dust, or pet dander can cause a chronic cough.
Asthma
Asthma is a chronic respiratory condition that can lead to persistent coughing, especially if it is not well-controlled.
Gastroesophageal Reflux Disease (GERD)
Stomach acid flowing back into the esophagus can cause irritation and trigger a chronic cough.
Chronic Bronchitis
Inflammation of the bronchial tubes can result in a persistent cough, especially in individuals who smoke or are exposed to environmental pollutants.
Respiratory Infections
In some cases, a lingering cough may be due to a more prolonged or recurrent respiratory infection, such as pneumonia or bronchitis.
Medication Side Effects
Certain medications, such as ACE inhibitors used to treat high blood pressure, may cause a persistent cough as a side effect.
If you or someone else is experiencing a lingering cough, especially if accompanied by other concerning symptoms like difficulty breathing, chest pain, or unintentional weight loss, it is advisable to seek medical attention. A healthcare professional can conduct a thorough evaluation, which may include a physical examination, imaging studies, and other diagnostic tests, to determine the cause of the persistent cough and recommend appropriate treatment.
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