Multiple Sclerosis is a chronic demyelinating disease of the central nervous system, of unknown cause, of variable prognosis with high cost treatment. It may include sensory, motor, cognitive and behavioral alterations, as well as fatigue, pain, sexual and sphincter dysfunction, it represents a common cause of severe physical disability in young adults. Different factors that contribute to the progression of disability have been described. This work aims to describe clinical and radiological factors related to the progression of disability in patients with multiple sclerosis. A narrative review about clinical and radiological factors related to disability progression was made in PubMed, Embase, Science Direct, Scopus, and Lilacs data bases. We found 217 articles, after removing duplicates and systematic reviews, meta-analysis and clinical trials, 20 articles were left. Some factors such as vitamin D levels, general symptoms, brain atrophy, gray matter lesions, among others, are related to disability progression in multiple sclerosis. Magnetic resonance is the most important test for diagnosis and follow-up of the disease. The most appropriate way to assess the progression of disability includes clinical evaluation, magnetic resonance imaging, and other diagnostic tests.

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