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Occupational asthma due to Panax ginseng and Sanyak (Dioscorea batatas); new causes

Occupational asthma due to Panax ginseng and Sanyak (Dioscorea batatas); new causes
Agent

Panax ginseng and Sanyak (Dioscorea batatas)

Job Herb merchant for 2 years
Specific IgE positive to Sanyak, negative for ginseng 
Specific IgG4 positive to Sanyak, negative to ginseng
Skin prick test positive Sanyak (1;1000w/v) and ginseng (1;100w/v)
Non-specific reactivity Methacholine PC20  0.75mg/ml
Serial Peak Flow not done
 Induced sputum not done
Specific Challenge 

Immediate reactions to Sanyak (1;1000w/v) and ginseng (1;100w/v)

Follow-up

no data

References

Abstract Available for A case of occupational asthma and rhinitis caused by Sanyak and Korean ginseng dust J.-Y. Lee, Y.-D. Lee, J.-W. Bahn, H.-S. Park, A case of occupational asthma and rhinitis caused by Sanyak and Korean ginseng dust, Allergy, 2006;61:392-393,
Hae-Sim Park, Korea, an author of 'A case of occupational asthma and rhinitis caused by Sanyak and Korean ginseng dust'

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