CikguOnline
CikguOnline
1. EXTRINSIC FACTORS
a. Allergens, such as pollen, animal
dander and dust
b. Cold weather
c. Polluted air - haze, vehicle exhaust
fumes
d. Cigarette smoke
e. Strong fragrance or smell
f. Medications-beta blockers, aspirin,
nonsteroidal anti-inflammatory
drugs, (NSAIDs)