The immunomodulatory effects of probiotics can reduce the severity of atopic dermatitis by inhibiting Th2 cell responses, cytokines such as IL-4, IL-5, IL-6, and IL-13 are no longer secreted, INF-γ (cytokines released by Th1 cells) is decreased, phagocytosis is stimulated, and serum IgA increases. Here, IL4 is linked to atopic eczema.