Accurately diagnosing multiple sclerosis (MS) involves understanding the diagnostic criteria, recognizing red flags to avoid misdiagnosis, and keeping up with new tools. Dr. Andrew Solomon, Professor and Interim Chair of the Department of Neurological Sciences and Chief of the Multiple Sclerosis Division at the University of Vermont, walks through the most difficult aspects of diagnosing patients with MS and potential breakthroughs reshaping how we approach these challenges. Dr. Solomon also spoke about this topic at the 2025 American Academy of Neurology Annual Meeting.