Occupational asthma from colophony in paint
I have a patient whose history is very suggestive of Occ Asthma and am trying to identify the sensitiser. PFRs are not available as he has had to leave due to symptoms++++. He was exposed to paint primer containing colophony for 10+yrs, but I cannot find anything in literature other than of course fumes from solder flux. Do you have any knowledge that colophony in paint is sufficiently volatile to cause asthma?
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You could try specific IgE to colophony to assess the level of exposure.
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Elms J, Fishwick D, Robinson E, Burge S, Huggins V, Barber C, Williams N, Curran A,
Specific IgE to colophony?,
Occup Med,
2005;55:234-237,
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No evidence from colophony in paint, but unheated colophony has caused occupational asthma when ground, but would need to be inhaled
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