Frequent wheezing
Shortness of breath
Chest tightness
Coughing, especially at night, early morning, or after exercise
Symptoms that come and go
Symptoms triggered by exercise, cold air, allergies, smoke, dust, or strong odors
Trouble breathing during colds or respiratory infections
Needing to use a rescue inhaler often
Waking up at night because of breathing problems
Improvement after using asthma medicine
Family history of asthma or allergies
Diagnosis confirmed by a doctor with breathing tests such as spirometry or peak flow testing