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

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.

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.