Ritalin

1 INDICATIONS AND USAGE Ritalin is indicated for the treatment of: • Attention Deficit Hyperactivity Disorders (ADHD) in pediatric patients 6 years and older and adults • Narcolepsy Ritalin is a central nervous system (CNS) stimulant indicated for the treatment of Attention Deficit Hyperactivity Disorders (ADHD) and Narcolepsy ( 1 ).

2 DOSAGE AND ADMINISTRATION • Pediatric Patients 6 Years and Older: Start with 5 mg twice daily (before breakfast and lunch), titrating the dose weekly in 5- to 10-mg increments. Dosages above 60 mg/day are not recommended ( 2.2 ). • Adults: Average daily dosage is 20 mg to 30 mg, administered 2 or 3 times daily, preferably 30 to 45 minutes before meals. Maximum total daily dosage is 60 mg ( 2.2 ). 2.1 Pretreatment Screening Prior to treating patients with Ritalin, assess: • for the presence of cardiac disease (i.e., perform a careful history, family history of sudden death or ventricular arrhythmia, and physical exam) [see Warnings and Precautions ( 5.2 )]. • the family history and clinically evaluate patients for motor or verbal tics or Tourette’s syndrome before initiating Ritalin [see Warnings and Precautions ( 5.10 )]. 2.2 General Dosing Information Pediatric Patients 6 years and Older : Start with 5 mg orally twice daily (before breakfast and lunch). Increase dosage gradually, in increments of 5-to 10-mg weekly. Daily dosage above 60 mg is not recommended. Adults : Average dosage is 20 to 30 mg daily. Administer orally in divided doses 2 or 3 times daily, preferably 30 to 45 minutes before meals. Maximum total daily dosage is 60 mg. Patients who are unable to sleep if medication is taken late in the day should take the last dose before 6 p.m. 2.3 Dosage Reduction and Discontinuation If paradoxical worsening of symptoms or other adverse reactions occur, reduce the dosage, or, if necessary, discontinue Ritalin. If improvement is not observed after appropriate dosage adjustment over a one-month period, the drug should be discontinued.

3 DOSAGE FORMS AND STRENGTHS • 5 mg, round, yellow, flat with CIBA monogram on one side and NDC# 7 on the reverse side • 10 mg, round, pale green, biconvex with CIBA monogram on one side and NDC# 3 and a partial bisection on the reverse side • 20 mg, round, pale yellow, biconvex with CIBA monogram on one side and NDC# 34 and a partial bisection on the reverse side • Tablets: 5 mg, 10 mg, and 20 mg ( 3 )

4 CONTRAINDICATIONS • Hypersensitivity to methylphenidate or other components of Ritalin. Hypersensitivity reactions, such as angioedema and anaphylactic reactions, have been reported in patients treated with methylphenidate [see Adverse Reactions ( 6 )] . • Concomitant treatment with monoamine oxidase inhibitors (MAOIs), or within 14 days following discontinuation of treatment with an MAOI, because of the risk of hypertensive crises [see Drug Interactions ( 7.1 )] . • Known hypersensitivity to methylphenidate or other product components of Ritalin ( 4 ). • Concurrent treatment with a monoamine oxidase inhibitor (MAOI), or use of an MAOI within the preceding 14 days ( 4 ).

6 ADVERSE REACTIONS The following are discussed in more detail in other sections of the labeling: • Abuse, Misuse, and Addiction [see Boxed Warning, Warnings and Precautions ( 5.1 ), Drug Abuse and Dependence ( 9.2 , 9.3 )] • Known hypersensitivity to methylphenidate or other ingredients of Ritalin [see Contraindications ( 4 )] • Hypertensive crisis with Concomitant Use of Monoamine Oxidase Inhibitors [see Contraindications ( 4 ), Drug Interactions ( 7.1 )] • Risks to Patients with Serious Cardiac Disease [see Warnings and Precautions ( 5.2 )] • Increased Blood Pressure and Heart Rate [see Warnings and Precautions ( 5.3 )] • Psychiatric Adverse Reactions [see Warnings and Precautions ( 5.4 )] • Priapism [see Warnings and Precautions ( 5.5 )] • Peripheral Vasculopathy, Including Raynaud’s Phenomenon [see Warnings and Precautions ( 5.6 )] • Long-Term Suppression of Growth in Pediatric Patients [see Warnings and Precautions ( 5.7 )] • Acute Angle Closure Glaucoma [see Warnings and Precautions ( 5.8 )] • Increased Intraocular Pressure and Glaucoma [see Warnings and Precautions ( 5.9 )] • Motor and Verbal Tics, and Worsening of Tourette’s Syndrome [see Warnings and Precautions ( 5.10 )] The following adverse reactions associated with the use of Ritalin and other methylphenidate products were identified in clinical trials, spontaneous reports, and literature. Because these reactions were reported voluntarily from a population of uncertain size, it is not always possible to estimate their frequency reliably or to establish a causal relationship to drug exposure. Adverse Reactions Reported with Ritalin Infections and Infestations: nasopharyngitis Blood and the Lymphatic System Disorders: leukopenia, thrombocytopenia, anemia Immune System Disorders: hypersensitivity reactions, including angioedema, and anaphylaxis Metabolism and Nutrition Disorders: decreased appetite, reduced weight gain, and suppression of growth during prolonged use in pediatric patients Psychiatric Disorders: insomnia, anxiety, restlessness, agitation, psychosis (sometimes with visual and tactile hallucinations), depressed mood, depression Nervous System Disorders: headache, dizziness, tremor, dyskinesia, including choreoatheetoid movements, drowsiness, convulsions, cerebrovascular disorders (including vasculitis, cerebral hemorrhages and cerebrovascular accidents), serotonin syndrome in combination with serotonergic drugs Eye Disorders: blurred vision, difficulties in visual accommodation Cardiac Disorders: tachycardia, palpitations, increased blood pressure, arrhythmias, angina pectoris Respiratory, Thoracic, and Mediastinal Disorders: cough Gastrointestinal Disorders: dry mouth, nausea, vomiting, abdominal pain, dyspepsia Hepatobiliary Disorders: abnormal liver function, ranging from transaminase elevation to severe hepatic injury Skin and Subcutaneous Tissue Disorders: hyperhidrosis, pruritus, urticaria, exfoliative dermatitis, scalp hair loss, erythema multiforme rash, thrombocytopenic purpura Musculoskeletal and Connective Tissue Disorders: arthralgia, muscle cramps, rhabdomyolysis, trismus Investigations: weight loss (adult ADHD patients) Vascular Disorders: peripheral coldness, Raynaud's phenomenon Additional Adverse Reactions Reported with Other Methylphenidate-Containing Products The list below shows adverse reactions not listed for Ritalin that have been reported with other methylphenidate-containing products. Blood and Lymphatic Disorders: pancytopenia Immune System Disorders: hypersensitivity reactions, such as auricular swelling, bullous conditions, eruptions, exanthemas Psychiatric Disorders: affect lability, mania, disorientation, and libido changes Nervous System Disorders: migraine, motor and verbal tics Eye Disorders: diplopia, increased intraocular pressure, mydriasis Cardiac Disorders: sudden cardiac death, myocardial infarction, bradycardia, extrasystole Respiratory, Thoracic, and Mediastinal Disorders: pharyngolaryngeal pain, dyspnea Gastroin …

7 DRUG INTERACTIONS • Antihypertensive Drugs: Monitor blood pressure. Adjust dosage of antihypertensive drug as needed ( 7.1 ). 7.1 Clinically Important Drug Interactions with Ritalin Table 1 presents clinically important drug interactions with Ritalin. Table 1: Clinically Important Drug Interactions with Ritalin Monoamine Oxidase Inhibitors (MAOI) Clinical Impact Concomitant use of MAOIs and CNS stimulants, including Ritalin can cause hypertensive crisis. Potential outcomes include death, stroke, myocardial infarction, aortic dissection, ophthalmological complications, eclampsia, pulmonary edema, and renal failure [see Contraindications ( 4 )] . Intervention Concomitant use of Ritalin with MAOIs or within 14 days after discontinuing MAOI treatment is contraindicated. Antihypertensive Drugs Clinical Impact Ritalin may decrease the effectiveness of drugs used to treat hypertension [see Warnings and Precautions ( 5.3 )] . Intervention Monitor blood pressure and adjust the dosage of the antihypertensive drug as needed. Halogenated Anesthetics Clinical Impact Concomitant use of halogenated anesthetics and Ritalin may increase the risk of sudden blood pressure and heart rate increase during surgery. Intervention Avoid use of Ritalin in patients being treated with anesthetics on the day of surgery. Risperidone Clinical Impact Combined use of methylphenidate with risperidone when there is a change, whether an increase or decrease, in dosage of either or both medications, may increase the risk of extrapyramidal symptoms (EPS) Intervention Monitor for signs of EPS

8 USE IN SPECIFIC POPULATIONS 8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to ADHD medications, including Ritalin, during pregnancy. Healthcare providers are encouraged to register patients by calling the National Pregnancy Registry for ADHD Medications at 1-866-961-2388 or visiting https://womensmentalhealth.org/adhd-medications/ . Risk Summary Published studies and postmarketing reports on methylphenidate use during pregnancy have not identified a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. There may be risks to the fetus associated with the use of CNS stimulants use during pregnancy (see Clinical Considerations) . No effects on morphological development were observed in embryo-fetal development studies with oral administration of methylphenidate to pregnant rats and rabbits during organogenesis at doses up to 10 and 15 times, respectively, the maximum recommended human dose (MRHD) of 60 mg/day given to adolescents on a mg/m 2 basis. However, spina bifida was observed in rabbits at a dose 52 times the MRHD given to adolescents. A decrease in pup body weight was observed in a pre- and post-natal development study with oral administration of methylphenidate to rats throughout pregnancy and lactation at doses 6 times the MRHD given to adolescents (see Data) . The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Clinical Considerations Fetal/Neonatal Adverse Reactions CNS stimulants, such as Ritalin, can cause vasoconstriction and thereby decrease placental perfusion. No fetal and/or neonatal adverse reactions have been reported with the use of therapeutic doses of methylphenidate during pregnancy; however, premature delivery and low birth weight infants have been reported in amphetamine-dependent mothers. Data Animal Data In embryo-fetal development studies conducted in rats and rabbits, methylphenidate was administered orally at doses of up to 75 and 200 mg/kg/day, respectively, during the period of organogenesis. Malformations (increased incidence of fetal spina bifida) were observed in rabbits at the highest dose, which is approximately 52 times the MRHD of 60 mg/day given to adolescents on a mg/m 2 basis. The no effect level for embryo-fetal development in rabbits was 60 mg/kg/day (15times the MRHD given to adolescents on a mg/m 2 basis). There was no evidence of morphological development effects in rats, although increased incidences of fetal skeletal variations were seen at the highest dose level (10 times the MRHD of 60 mg/day given to adolescents on a mg/m 2 basis), which was also maternally toxic. The no effect level for embryo-fetal development in rats was 25 mg/kg/day (3 times the MRHD on a mg/m 2 basis). When methylphenidate was administered to rats throughout pregnancy and lactation at doses of up to 45 mg/kg/day, offspring body weight gain was decreased at the highest dose (6 times the MRHD of 60 mg/day given to adolescents on a mg/m 2 basis), but no other effects on postnatal development were observed. The no effect level for pre- and postnatal development in rats was 15 mg/kg/day (approximately 2 times the MRHD given to adolescents on a mg/m 2 basis). 8.2 Lactation Risk Summary Limited published literature, based on milk sampling from seven mothers, reports that methylphenidate is present in human milk, which resulted in infant doses of 0.16% to 0.7% of the maternal weight-adjusted dosage and a milk/plasma ratio ranging between 1.1 and 2.7. There are no reports of adverse effects on the breastfed infant and no effects on milk production. Long-term neurodeve …

12.1 Mechanism of Action Methylphenidate hydrochloride is a CNS stimulant. The mode of therapeutic action in ADHD and narcolepsy is not known.

11 DESCRIPTION Ritalin contains methylphenidate hydrochloride, a CNS stimulant. It is available as tablets of 5 mg, 10 mg, and 20 mg strengths for oral administration. Methylphenidate hydrochloride is methyl α-phenyl-2-piperidineacetate hydrochloride, and its structural formula is: Methylphenidate hydrochloride USP is a white, odorless, fine crystalline powder. Its solutions are acid to litmus. It is freely soluble in water and in methanol, soluble in alcohol, and slightly soluble in chloroform and in acetone. Its molecular weight is 269.77 g/mol. Ritalin tablets contains the following inactive ingredients: D&C Yellow No. 10 (5-mg and 20-mg tablets), FD&C Green No. 3 (10-mg tablets), lactose, magnesium stearate, polyethylene glycol, starch (5-mg and 10-mg tablets), sucrose, talc, and tragacanth (20-mg tablets). Methylphenidate hydrochloride structural formula.

10 OVERDOSAGE Clinical Effects of Overdose Overdose of CNS stimulants is characterized by the following sympathomimetic effects: • Cardiovascular effects including tachyarrhythmias, and hypertension or hypotension. Vasospasm, myocardial infarction, or aortic dissection may precipitate sudden cardiac death. Takotsubo cardiomyopathy may develop. • CNS effects including psychomotor agitation, confusion, and hallucinations. Serotonin syndrome, seizures, cerebral vascular accidents, and coma may occur. • Life-threatening hyperthermia (temperatures greater than 104°F) and rhabdomyolysis may develop. Overdose Management Consider the possibility of multiple drug ingestion. Because methylphenidate has a large volume of distribution and is rapidly metabolized, dialysis is not useful. Consider contacting the Poison Help line (1-800-222-1222) or a medical toxicologist for additional overdose management recommendations.

16 HOW SUPPLIED/STORAGE AND HANDLING • 5 mg tablets (NDC 66758-273-01) round, yellow, (imprinted "CIBA 7") supplied in bottles of 100 • 10 mg tablets (NDC 66758-274-01) round, pale green, scored, (imprinted "CIBA 3") supplied in bottles of 100 • 20 mg tablets (NDC 66758-275-01) round, pale yellow, scored, (imprinted "CIBA 34") supplied in bottles of 100 Store at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C and 30°C (59°F and 86°F) [see USP controlled room temperature]. Protect from light. Dispense in tight, light-resistant container (USP).