characteristic feature in the medical history is symptoms of
asthma that worsen on week days and improve in holidays and rest
The following are
the most common symptoms of occupational
asthma. Person may have few or all of them
In addition to the
above symptoms, many other allergic symptoms can also occur.
They show presence of irritants (allergens) in the air
Skin- itchy, red (urticaria) or irritated.
Nose- Itchy, blocked or stuffy, sneezing
Eyes- Red, itchy, burning or watery.
In most people
symptoms appear at work or within several hours after leaving
asthma symptoms improve on weekends, vacations, or when away
from work or chemical causing symptoms. Usually improvement
occurs immediately after the cessation of exposure but some
times it takes more than 2 days to recover. Thus true
relationship between occupation and
asthma can only be
ascertained after prolonged cessation of the exposure allowing
sufficient time for the lungs to recover. Reappearance of the
symptoms immediately after the patient returns to work almost
confirms the diagnosis.
Last edited 22-08-2010