Frequent wheezing, especially when breathing out
Shortness of breath
Chest tightness or pressure
Coughing that is worse at night, early morning, or after exercise
Symptoms that come and go
Symptoms triggered by exercise, cold air, dust, smoke, pets, pollen, or illness
Trouble breathing during colds or allergies
Needing to use a rescue inhaler often, if you already have one
Waking up at night because of coughing or breathing problems
Breathing that gets better with asthma medicine
A doctor can confirm it with breathing tests like spirometry or peak flow testing