IGHE and atopic eczema: Seeding of the new bacterium was associated with reductions, at the genera level, in Clostridium, Phascolarctobacterium, Serratia, Enterococcus, Shigella and Shewanella. Forsberg et al. [180] found that administration of Lactobacillus reuteri from late pregnancy to one year of age infants decreased IgE-mediated atopic dermatitis at age 2 infants.