Asthma: Occupational asthma (also covered in Occupational Lung Disease)

Question 2

What concerns might patients have regarding asthma and work?

Answer 2

Patients may present with concerns that chemicals at work are worsening their asthma or symptoms seem better at weekends or when away from work.

Question 3

What are common chemicals associated with occupational asthma?

Answer 3

Exposure to the following chemicals is associated with occupational asthma: isocyanates, platinum salts, soldering flux resin, glutaraldehyde, flour, epoxy resins, and proteolytic enzymes.

Isocyanates are the most common cause; example occupations include spray painting and foam moulding using adhesives.

Question 4

What is recommended for monitoring asthma symptoms at work?

Answer 4

Serial measurements of peak expiratory flow are recommended at work and away from work.

Question 5

When should a referral be made for asthma patients?

Answer 5

Referral should be made to a respiratory specialist for patients with suspected occupational asthma.