Chronic cough refers to a persistent cough that lasts for eight weeks or longer in adults and four weeks or longer in children. It is a common medical condition and can have various underlying causes. Chronic cough can be troublesome and may significantly impact a person's quality of life. There are different types of chronic cough, and the symptoms, causes, and side effects can vary.
Types of Chronic Cough:
Unexplained Chronic Cough: This type of cough persists for an extended period without any identifiable cause, even after thorough medical evaluation.
Post-Infectious Cough: It occurs following a respiratory tract infection, such as a common cold or flu, and can last for weeks to months after the infection has resolved.
Asthma-Related Cough: Some individuals with asthma may experience a chronic cough as their primary symptom, especially if the asthma is not well-controlled.
Gastroesophageal Reflux Disease (GERD)-Related Cough: Chronic cough can be a symptom of GERD, a condition where stomach acid flows back into the esophagus.
Chronic Bronchitis: Inflammation of the airways in the lungs can lead to a persistent cough, a hallmark symptom of chronic bronchitis.
Symptoms:
The primary symptom of chronic cough is a persistent, nagging cough that lasts for an extended period. Other symptoms may include:
Coughing up mucus or phlegm.
Shortness of breath.
Wheezing (in asthma-related cough).
Heartburn or regurgitation (in GERD-related cough).
Chest tightness or discomfort.
Causes:
Chronic cough can have various underlying causes, including:
Respiratory Infections: Previous respiratory infections, such as viral or bacterial infections, can lead to lingering coughs.
Allergies: Allergic conditions, such as hay fever or allergic rhinitis, can cause chronic cough due to postnasal drip.
Asthma: Uncontrolled asthma can result in chronic cough as the primary symptom.
GERD: Acid reflux from the stomach can irritate the throat and cause chronic cough.
Smoking: Smoking or exposure to secondhand smoke can lead to chronic cough.
Chronic Bronchitis: Chronic inflammation of the airways can cause persistent coughing.
Environmental Irritants: Exposure to environmental irritants, such as dust, pollution, or strong odors, can trigger chronic cough.
Side Effects:
Chronic cough can have several side effects and consequences:
Physical Discomfort: The constant coughing can lead to physical discomfort and exhaustion.
Sleep Disturbances: Chronic cough can disrupt sleep, leading to fatigue and decreased daytime productivity.
Social Embarrassment: Frequent coughing in public or social settings can be embarrassing and affect a person's social interactions.
Impact on Quality of Life: Chronic cough can negatively impact a person's overall quality of life, affecting work, relationships, and leisure activities.
Respiratory Complications: In some cases, chronic cough can lead to complications such as hoarseness, rib fractures (from severe coughing), or worsening of underlying respiratory conditions.
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