Types of people that may be involved:
(1) A person with diagnosed asthma, made worse on exercise.
(2) A person with subclinical asthma, triggered by exercise.
(3) A person with transient bronchospasm secondary to viral bronchitis, etc.
Factors from the person's history:
(1) family history of asthma
(2) recurrent allergic rhinitis or allergic sinusitis
(3) asthma
(4) current upper or lower respiratory infection
Symptom onset during continuous strenuous exercise:
(1) running
(2) cross country skiing
(3) ice skating, figure skating or ice hockey
Environmental features typically associated with an attack:
(1) cold environment
(2) polluted air
(3) pollen season
(4) dust
Environment where symptoms may be absent:
(1) warm and humid (but without pollen)
(2) absence of pollen or dust
(3) nonpolluted air
Self-reported symptoms alone may or may not correlate with changes in pulmonary function tests.
Clinical findings:
(1) wheezing
(2) cough during or after exercise
Other complaints may include:
(1) feeling out of shape (especially in a trained athlete)
(2) headache
(3) shortness of breath
(4) muscle cramps
(5) fatigue
(6) dizziness
(7) stomach cramps
