Symptoms of respiratory allergies often occur after a few hours of exposure and are usually triggered by airborne allergens like animal dander, plant pollens, mold spores, and dust mites.

Mild Symptoms:

- Wheezing or coughing
- Sneezing
- Itchy throat or nose
- Postnasal drip
- Smell sense is impaired
- Hoarseness in the throat
- Congestion
- Red, itchy, swollen, or watery eyes
- Clogged or runny nose with thin and clear mucus
- Conjunctivitis
- Fatigue

Severe Symptoms:

- Shortness and difficulty in breathing
- Chest tightness and pain