A severe congenital enteropathy manifesting as intractable diarrhea in the first month of life with failure to thrive and associated with facial dysmorphism, hair abnormalities, and, in some cases, immune disorders and intrauterine growth restriction. The disease is trichohepatoenteric syndrome (MONDO_0009105). Also known as: SD/THE, Tricho-hepato-enteric syndrome, Trichohepatoenteric syndrome, Trichohepatoenteric syndrome type 1, phenotypic diarrhea, phenotypic diarrhoea, syndromic diarrhea, syndromic diarrhea/Tricho-hepato-enteric syndrome.