ErbCharcot disease, also known as Erb-Duchenne palsy or brachial plexus paralysis, refers to a neurological condition that affects the nerves in the shoulder and upper arm. Synonyms for this condition include brachial palsy, Erb's palsy, Erb-Duchenne palsy, brachial plexus injury, or simply brachial plexus palsy. These terms are often used interchangeably to describe the same condition characterized by weakness or paralysis of the arm and shoulder muscles. ErbCharcot disease typically occurs due to damage to the brachial plexus nerves during childbirth or trauma to the shoulder area. Recognizing these synonymous terms can enhance communication among medical professionals, researchers, and patients, facilitating better understanding and treatment of this condition.