Methylphenidateside effects

methylphenidate hydrochloride 5 MG Oral Tablet [Ritalin]

Adverse reactions

The following are discussed in more detail in other sections of the labeling:

Abuse, Misuse, and Addiction

Known hypersensitivity to methylphenidate or other ingredients of Ritalin

Hypertensive crisis with Concomitant Use of Monoamine Oxidase Inhibitors

Risks to Patients with Serious Cardiac Disease

Increased Blood Pressure and Heart Rate

Psychiatric Adverse Reactions

Priapism

Peripheral Vasculopathy, Including Raynaud’s Phenomenon

Long-Term Suppression of Growth in Pediatric Patients

Acute Angle Closure Glaucoma

Increased Intraocular Pressure and Glaucoma

Motor and Verbal Tics, and Worsening of Tourette’s Syndrome 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 Gastrointestinal Disorders: diarrhea, constipation Skin and Subcutaneous Tissue Disorders: angioneurotic edema, erythema, fixed drug eruption Musculoskeletal, Connective Tissue, and Bone Disorders: myalgia, muscle twitching Renal and Urinary Disorders: hematuria Reproductive System and Breast Disorders: gynecomastia General Disorders: fatigue, hyperpyrexia Urogenital Disorders: priapism Common adverse reactions: tachycardia, palpitations, headache, insomnia, anxiety, hyperhidrosis, weight loss, decreased appetite, dry mouth, nausea, and abdominal pain. To report SUSPECTED ADVERSE REACTIONS, contact Novartis Pharmaceuticals Corporation at 1-888-669-6682 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 5, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.

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.

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.

Known hypersensitivity to methylphenidate or other product components of Ritalin.

Concurrent treatment with a monoamine oxidase inhibitor (MAOI), or use of an MAOI within the preceding 14 days.

Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 5, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.

This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.

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