Wheezing happens when the breathing tubes in the lungs are narrowed.
Wheezing is usually described as breathing that produces a high-pitched whistling sound.
An asthma attack is a common cause of wheezing.

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Wheezing is a high-pitched whistling when breathing out, breathing in, or both.
It may occur with other symptoms, such as:
What is a wheezing cough?
A wheezing cough is a cough that produces a high-pitched whistling sound.
Several medications can cause an asthma attack, including:
Allergic reactions can also cause wheezing.
Wheezing will go away on its own if it is brought on by a minor illness like a cold.
However, wheezing that is due to a more severe condition such as asthma or COPD requires treatment.
Allergic reactions, smoking, acid reflux disease, and heart failure can also cause wheezing.
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