What it isCONCERTA (2000) is an OROS extended-release dopamine and norepinephrine reuptake inhibitor for ADHD; approved ages: 6-17, adults.
Why this oneIts OROS osmotic CR tablet delivers 22% IR / 78% DR over 10-12 h (Carlat Table 1), with an empty shell often visible in stool.
What limits itSwallow the tablet intact; obstruction risk matters in severe GI narrowing. Appetite loss, insomnia, blood-pressure rise and misuse remain.
Pregnancy Published data inconsistent re: birth defects; CNS stimulants may reduce placental perfusion; pregnancy exposure registry available
Lactation Methylphenidate present in human milk (infant dose 0.16-0.7% of maternal); monitor infant for agitation, insomnia, anorexia, reduced weight gain