Side effects of Ritalin can affect Little ones in different ways. It usually is dependent upon whether they’re getting the limited- or long-acting Variation of Ritalin.哌甲酯及其主要代谢物利他林酸可在血浆、血清或全血中检验，以监测病人是否按医嘱用药，确认可能的中毒者，或协助剂量致命时的法