In allergy of the respiratory tract, we have occasionally noticed the dependence of the provocation of the allergic symptoms on carbohydrate metabolism. Some patients admitted feeling better when consuming less sugar. In one female patient suffering from family allergic oedema of the larynx, sugar and acetone were repeatedly lound in tbe urine during the attack. In tiie literature, tbere is no uniform view on glucose tolerance in these disorders. Some authors describe flat curves in allergic patients (2,9), others emphasize the high sugar level (5). Considering that the role of carbobydrate metabolism in allergic diseases is not yet clear (4, 7, 8, 11), it was the aim of tbe present investigation to find out wbat tbe glucose tolerance was in our patients witb allergic respiratory diseases.We did not expect to find any marked changes as our patients were in good general condition; we were more anxious to discover slight irregularities which might possibly help us to trace metabolic disturbances in relation to tbe allergic disposition.For this purpose the standard glucose tolerance test (GTT) and tbe hydrocortisone glucose tolerance test (HGTT) were performed, tbe latter being recommended by some authors (i, 3, 6) for the examination of latent diabetie and predia-
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