Health Tip: Things That May Trigger Wheezing

(HealthDay News) -- Wheezing is a whistling sound that occurs when breathing tubes inside the lungs become narrowed or inflamed.

The U.S. National Library of Medicine says possible causes of wheezing include:

• Having asthma.
• Being sick with bronchitis, pneumonia or emphysema.
• Having gastroesophageal reflux disease (GERD).
• Suffering from heart failure.
• Having a foreign body in the lungs.
• Having an allergic reaction.
• Smoking or taking certain medications.
• Having a viral infection (especially among infants under age 2).