Allergies vs Asthma
Allergies and asthma often coexist. Knowing the difference helps you ask for the right tests.
Quick comparison
| Allergies | Asthma | |
|---|---|---|
| Affects | Nose, eyes | Lungs, airways |
| Wheezing | Rare | Common |
| Triggers | Pollen, dander | Allergens, exercise, cold air |
Key differences
- Wheezing or shortness of breath suggests asthma.
- Allergic asthma is triggered by the same allergens as hay fever.
- Treating allergies often improves asthma control.
Common symptoms
CoughChest tightnessShortness of breath
When to seek help
- Wheezing during exercise.
- Nighttime cough.
- Breathlessness with allergies.
FAQ
Can allergies cause asthma?+
Untreated allergies can worsen — and sometimes trigger — asthma.