There are a number of medications already available. but there are always new treatments emerging. Some of the most commonly used disease-modifying drugs are: Copaxone, Gilenya, Lemtrada, Tecfidera and Tysabr, but this varies from location to location.
There are currently 12 disease-modifying drugs (DMDs) licensed for people with MS, but not all are available or suitable for everyone - look in the medication section for more detail.