Pronunciation: meth-il-FEN-i-dayt


What it isExtended-release dopamine and norepinephrine reuptake inhibitor for ADHD (RELEXXII, 2022; approved ages 6-17, adults).
Why this oneIts osmotic tablet adds 63 and 72 mg single-tablet strengths and provides 10-12 h (Carlat Table 1) of coverage.
What limits itSwallow intact; the shell may appear in stool. Appetite loss, insomnia, blood-pressure elevation, and misuse risk remain.
Read the full label on DailyMed ↗
| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| ADHD | Peds 6–12 yr | 18 mg QD (AM) | 18–54 mg QD | 54 mg/day |
| ADHD | Peds 13–17 yr | 18 mg QD (AM) | 18–72 mg QD | 72 mg/day (not to exceed 2 mg/kg/day) |
| ADHD | Adults (18 up to 65 yr) | 18 mg or 36 mg QD (AM) | 18–72 mg QD | 72 mg/day |
Titration Increase in 18 mg increments at weekly intervals
Renal Undefined
Hepatic Undefined
Available strengths
Pregnancy Published data have not identified drug-associated risk of major birth defects or miscarriage; CNS stimulants may decrease placental perfusion. Pregnancy registry available.
Lactation Methylphenidate present in human milk (infant dose 0.16–0.7% of maternal); monitor infant for agitation, anorexia, reduced weight gain.
| Strength | #/mo | generic $/mo | CostPlus | |
|---|---|---|---|---|
| 18 mg | ER tab | 30 qd | $17.28 | not offered |
| 27 mg | ER tab | 30 qd | $20.30 | not offered |
| 36 mg | ER tab | 30 qd | $20.15 | not offered |
| 45 mg | ER tab | 30 qd | $525.18 | not offered |
| 54 mg | ER tab | 30 qd | $24.15 | not offered |
| 63 mg | ER tab | 30 qd | $566.23 | not offered |
| 72 mg | ER tab | 30 qd | $495.26 | not offered |
Other forms: Methylphenidate (RITALIN) · Methylphenidate ER chewable (QUILLICHEW ER) · Methylphenidate ER suspension (QUILLIVANT XR) · Methylphenidate LA (RITALIN LA) · Methylphenidate ER (OROS) (CONCERTA) · Methylphenidate XR-ODT (COTEMPLA XR-ODT) · Methylphenidate patch (DAYTRANA) · Methylphenidate ER evening-dosed (JORNAY PM) · Methylphenidate CD (METADATE CD) · Methylphenidate oral solution (METHYLIN SOLUTION)
⚠ BOXED WARNING
Legacy pregnancy categoryC
Defining liabilityHypertension, appetite/weight effects, misuse and stimulant-induced psychosis or arrhythmia.
Open Methylphenidate ER (Relexxii) in the interactive console ↗

Open Methylphenidate ER (Relexxii) in the interactive console ↗