Monarch Disease Ontology term MONDO_0012251 (MEDNIK syndrome), previously known as Erythrokeratodermia Variabilis type 3 (EKV3), is characterized by intellectual deficit, enteropathy, sensorineural hearing loss, peripheral neuropathy, lamellar and erythrodermic ichthyosis, and keratodermia (MEDNIK stands for Mental retardation, Enteropathy, Deafness, peripheral Neuropathy, Ichtyosis, Keratodermia). Also known as: erythrokeratodermia variabilis 3, erythrokeratodermia variabilis, Kamouraska type, intellectual disability, enteropathy, deafness, neuropathy, ichthyosis, keratodermia, intellectual disability-enteropathy-deafness-peripheral neuropathy-ichthyosis-keratodermia syndrome, mental retardation, enteropathy, deafness, neuropathy, ichthyosis, keratodermia.