IGHE and Friedreich ataxia: Regarding symptoms, 42.8% of ASD patients with FA exhibited cutaneous symptoms (2/4 patients with IgE-mediated FA and 1/3 patients with non-IgE-mediated FA), and the 71.4% presented with gastrointestinal symptoms (2/4 patients affected by IgE-mediated FA and 3/3 patients affected by non-IgE-mediated FA).