Children with asthma and allergies may experience wheezing, coughing, chest tightness and/or trouble breathing, especially early in the morning or at night. Your child may be experiencing asthma allergies due to: Allergens - mold, pollen, animals, food Irritants - cigarette smoke, air pollution Weather - cold air, changes in weather Exercise Infections - flu, common cold. Count on our expert pediatricians and professional clinicians to diagnose, treat, and care for your child's asthma or allergy problems.