A basal subtype of epidermolysis bullosa simplex (EBS) characterized by the presence of generalized vesicles and small blisters in grouped or arcuate configuration. The disease is MONDO_0007550 (epidermolysis bullosa simplex 1A, generalized severe). Also known as: EBS, generalised severe, EBS, generalized severe, EBS-gen sev, EBSDM, epidermolysis bullosa herpetiformis Dowling-Meara type, epidermolysis bullosa simplex Dowling-Meara type, epidermolysis bullosa simplex, herpetiformis, generalised severe epidermolysis bullosa simplex.