The subject invention provides methods for reducing or inhibiting progression of the level of fatigue in a multiple sclerosis human patient, for improving or inhibiting deterioration of the functional status of a multiple sclerosis human patient, and for improving or inhibiting deterioration of the general health of a multiple sclerosis human patient, comprising orally administering to the human patient laquinimod or a pharmaceutically acceptable salt thereof. The subject invention also provides a method for providing neuroprotection to a human subject, the method comprising orally administering to the human subject laquinimod or a pharmaceutically acceptable salt thereof.