Ehlers-Danlos Syndrome, Arthrochalasia Type, 1, also known as arthrochalasis multiplex congenita, is related to ehlers-danlos syndrome, classic type, 1 and connective tissue disease. An important gene associated with Ehlers-Danlos Syndrome, Arthrochalasia Type, 1 is COL1A1 (Collagen Type I Alpha 1 Chain), and among its related pathways/superpathways are Vesicle-mediated transport and Response to elevated platelet cytosolic Ca2+. The drugs Carbamazepine and Phenytoin have been mentioned in the context of this disorder. Affiliated tissues include skin and bone, and related phenotypes are aphasia and hypotonia