as additional symptoms of pollen allergy due to haematogenous spread of the pollen antigens we observed a seasonal form of atopic dermatitis in 3 % , a seasonal urticaria or angioedema in 3.5 % , migraine in 6.3 % and arthralgia , gastro-intestinal troubles and fever in fewer than 1 % each .
C0042109
urticaria
C0002994
angioedema