This application provides for a method of treating a subject suffering from Crohn's disease, the method comprising periodically administering to the subject an amount of laquinimod or pharmaceutically acceptable salt thereof effective to treat the subject. This application provides for use of laquinimod in the manufacture of a medicament for treating a subject suffering from Crohn's disease. This application also provides for a pharmaceutical composition comprising laquinimod for use in treating a subject suffering from Crohn's disease.