The total IgE level was measured by radioimmunosorbent test (Phadebas RIST, Pharmacia) in blood samples of 454 dermatological patients and 26 blood donors aged 14-70 years. The results showed different IgE values in the same groups of diseases. Elevated serum IgE values were observed in atopic dermatitis, drug allergy, discoid lupus erythematosus and chronic dermatomycosis. In drug allergy the average nonspecific IgE level of patients reacting with immediate reaction was higher than the normal value. Tested individually with Penicilloyl G RAST no strong correlation could be demonstrated between the quantity of specific and non-specific IgE.
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