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A 17-year-old male asked:

Difference between ritalin (methylphenidate) , ritalin (methylphenidate) la , ritalin (methylphenidate) sr ?

2 doctor answers2 doctors weighed in
Dr. Donald Jacobson
A Verified Doctoranswered
41 years experience
Ritalin (methylphenidate): Immediate release after it is taken and last for approximately 3 to 4 hours. These medications are often taken 2 to 3 x/d.Ritalin (methylphenidate) sr released immediately and then slowly over next several hours. Taken i-2x/d. Ritalin (methylphenidate) la usually taken 1 time a day, long-acting.
Dr. Elizabeth Finley-Belgrad
Child Psychiatry 35 years experience
Length of action: Regular ritalin (methylphenidate). Generally requires dosing several ted per day average 4 hr length of action. Ritalin (methylphenidate) la. And sr are different brands of Ritalin (methylphenidate) fouls red to be "long acting " 8-12 hours what is best tolerated and how long they actually last is a bit individual for each person-just need to try it and see.

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