What should you know about wheezing sound?

Wheezing may occur with asthma, COPD, a chest infection such as acute bronchitis, or bronchiolitis in young children. Allergic rhinitis can add nasal blockage and make breathing feel harder, while a sudden allergic reaction can narrow the airway quickly. The sound may come from the chest or throat, so its pitch and location are useful clues rather than a diagnosis.

Notice when it started, whether it follows exercise, dust, smoke, a cold, food, or medicine, and whether it is louder when breathing in or out. Cough, fever, chest tightness, runny nose, swelling, or breathlessness also change how urgently it should be assessed.

Sit upright, loosen tight clothing, and move away from smoke, perfume, dust, or another suspected trigger. Use a prescribed reliever inhaler exactly as your clinician instructed; do not borrow someone else’s medicine. Arrange a medical assessment if the sound is new, keeps returning, or comes with cough or reduced exercise tolerance. A clinician may listen to your chest and decide whether further tests or a treatment such as nebuliser treatment is appropriate.

Seek emergency help immediately for severe or rapidly worsening breathlessness, blue or grey lips, faintness, confusion, inability to speak comfortably, or swelling of the lips, tongue, or throat. A wheeze after eating, taking a medicine, or an insect sting may signal anaphylaxis. Children with struggling breaths, pauses, unusual sleepiness, or poor feeding also need urgent assessment.

Ask: Could the sound be coming from my throat rather than my lungs? Which triggers should I avoid? Do I need a breathing test or an action plan? What should I do if my prescribed inhaler does not help?