Provocation tests with antiphlogistica and food additives in recurrent urticaria.
100 patients (53 women, 47 men) suffering from recurrent urticaria were tested with different food additives such as 8 dye additives, 7 preservatives and 7 antiphlogistica. In total did 62 patients react with urticaria and/or angio-oedema. 39 patients had reactions to two or more substances while 23 patients reacted to only one substance. Reactions were induced most frequently by aspirin (27/80), dextropropoxyphene (11/45) and the azo dyes tartrazin (20/96) and sunset yellow (13/86/. Asthmatic symptoms occurred in 3 and purpura in 2 patients. 13 patients out of 100 reported of immediate reactions to different foods.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000700:Analgesics; D000799:Angioedema / Q000175:diagnosis / Q000178:diet therapy; D005260:Female; D005505:Food Coloring Agents; D005520:Food Preservatives; D006801:Humans; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D014581:Urticaria / Q000175:diagnosis* / Q000178:diet therapy
D000700:Analgesics; D005505:Food Coloring Agents; D005520:Food Preservatives