An asthma cough is typically a dry cough that doesn't produce mucus, often accompanied by a wheezing sound.
Characteristics of an Asthma Cough
Here's a more detailed breakdown of what an asthma cough is like:
- Dry Cough: The most common characteristic is that it's a dry cough, meaning it doesn't produce phlegm or mucus. This is because the cough is often triggered by airway constriction and inflammation, not by an excess of mucus.
- Wheezing: Often, an asthma cough is accompanied by wheezing, a high-pitched whistling sound that occurs when you breathe. This sound is caused by air being forced through narrowed airways.
- Nighttime Cough: Asthma coughs tend to be worse at night or early in the morning.
- Triggered by Irritants: The cough can be triggered by exposure to allergens (like pollen or dust mites), irritants (like smoke or strong odors), exercise, cold air, or respiratory infections.
- Associated Symptoms: Besides the cough and wheezing, other symptoms that may be present during an asthma flare-up include shortness of breath, chest tightness, and difficulty breathing.
- Variable Severity: The severity of the cough can vary from a mild, occasional cough to a severe, persistent cough that interferes with daily activities and sleep.
Why Does Asthma Cause a Dry Cough?
The dry cough in asthma is primarily due to:
- Airway Constriction: Asthma causes the muscles around the airways to tighten, narrowing the passage for air.
- Inflammation: The airways become inflamed and swollen, further reducing airflow.
- Increased Sensitivity: The airways become more sensitive to irritants and triggers, leading to coughing.
In summary, an asthma cough is usually dry, often accompanied by wheezing, and is triggered by various irritants, with symptoms worsening at night. If you suspect you have asthma, consult a healthcare professional for diagnosis and treatment.
