AXIS MG Patient Registry

The goal of the AXIS Autoimmune Neurology Registry is to learn about the experiences of adults living with autoimmune neurological disorders, starting with myasthenia gravis (MG), over time. The main questions the registry aims to answer are: * How do symptoms, daily functioning, and quality of life change over time? * What treatments do participants use, and how are these treatments related to their symptoms and health? * What challenges do participants experience with treatment, including side effects, treatment burden, missed doses, and access to care? Participants will: * Join the registry and complete an enrollment survey (online or through a mobile app) * Complete a brief online survey about their MG approximately once a month * Provide information that can help confirm their MG diagnosis * Optionally, share their medical records with the research team This is an observational