Is ritalin (methylphenidate) addictive?

Tolerance: There is potential for tolerance. A major issue is that Ritalin (methylphenidate) can be abused (with potential for addiction).

Can be if : If being used for the wrong purpose.

Yes: Ritalin (methylphenidate) is a stimulant medication, and can be habituating -- resulting in tolerance. Although most people prescribed this for adhd do not use it in an addictive pattern, it can be used that way. By "addictive, " i mean using to get high, despite clear harm in important areas of life like work, school, and relationships -- and spending inordinate amount of time pursuing the substance, etc.