The views expressed by me are for educational purposes only and do not establish a doctor patient relationship.
This is Dr. D.J., experienced Internal Medicine Specialist.
I am here to address your concerns and provide great service.
This depends on the severity of your disease.
Initially you should take ritalin daily.
Also during time of need for increased attention, you should take it regularly.
Ritalin does not need to be taken daily for long time, unless you are not able keep yourself together without medication.