Inequalities in access to health and social care among adults with multiple sclerosis: A scoping review of the literature

•This comprehensive scoping review benchmarks the international evidence base for access to health and social care for MS patients.•There are inequalities across the prevention, care and support pathway, particularly for men, older age groups, lower SES, and those with MH problems.•There are clear implications for clinicians, health organisations and national policies.•There are specific research gaps particularly for vulnerable groups and for patient information.•These findings will help to inform prioritisation of future research internationally for this population.