Product image of Metynor (Methylphenidate Hydrochloride) supplied by GNH India

Metynor

Active Ingredient:
Methylphenidate Hydrochloride
Origin:
EU

Metynor (Methylphenidate Hydrochloride)

Methylphenidate hydrochloride, the active ingredient in Metynor, is a central nervous system stimulant presented as an oral formulation for oral use. It treats attention deficit hyperactivity disorder and narcolepsy in children, adolescents, and adults.

GNH India supplies Metynor as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Stada Arzneimittel Ag

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Indications & Clinical Uses

  • Metynor is a central nervous system stimulant indicated for specific neurobehavioral and sleep‑wake disorders.
  • Attention deficit hyperactivity disorder (children): improves attention, reduces hyperactivity and impulsivity.
  • Attention deficit hyperactivity disorder (adults): enhances concentration and task completion.
  • Narcolepsy: decreases excessive daytime sleepiness and cataplexy episodes.

How It Works

  • Methylphenidate hydrochloride blocks the reuptake of dopamine and norepinephrine at neuronal synapses, increasing their extracellular concentrations. The elevated catecholamine levels enhance neurotransmission in brain regions that regulate attention, impulse control, and wakefulness, thereby alleviating the core symptoms of ADHD and narcolepsy.

Side Effects

Methylphenidate may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Insomnia or difficulty sleeping
  • Decreased appetite or weight loss
  • Headache
  • Stomach pain or nausea
  • Nervousness or anxiety
  • Increased heart rate

Serious or Rare Side Effects

  • Cardiovascular events such as hypertension or arrhythmia
  • Psychotic symptoms including hallucinations or delusions
  • Severe allergic reactions (rash, swelling, difficulty breathing)
  • Priapism (prolonged erection)
  • Seizures
  • Marked mood swings or suicidal thoughts

Precautions & Warnings

  • Before initiating therapy, clinicians should evaluate several safety considerations.
  • Cardiovascular assessment: review patient history of heart disease, hypertension or arrhythmias.
  • Psychiatric monitoring: observe for new or worsening anxiety, mania, or psychosis.
  • Growth monitoring: regularly measure height and weight in pediatric patients.
  • Drug abuse potential: prescribe only when benefits outweigh risk of dependence.
  • Pregnancy and lactation: discuss potential risks with the prescriber before use.
  • Store at ambient temperature: keep in original container, protect from moisture and heat.

Avoid Interactions

Methylphenidate can interact with other medicines, altering its efficacy or safety.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis.
  • Antihypertensive agents: may cause excessive blood‑pressure reduction.

Moderate Interactions (Monitor Closely)

  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine): may increase methylphenidate plasma levels.
  • Antacids: can affect gastrointestinal absorption.
  • Alcohol: may potentiate central nervous system stimulation.
  • Other stimulants (e.g., amphetamines): additive cardiovascular and CNS effects.

Frequently Asked Questions

Metynor contains methylphenidate hydrochloride and is prescribed for attention deficit hyperactivity disorder (ADHD) in children, adolescents and adults, as well as for narcolepsy to reduce excessive daytime sleepiness and cataplexy. These are the only approved therapeutic uses recognized by regulatory agencies.

Methylphenidate hydrochloride blocks the reuptake of the neurotransmitters dopamine and norepinephrine, raising their levels in the synaptic cleft. The increased catecholamine activity enhances signaling in brain pathways that control attention, impulse control and wakefulness, which helps alleviate the core symptoms of ADHD and narcolepsy.

The appropriate dose of Metynor is individualized by a qualified prescriber based on the patient’s age, weight, clinical response and tolerability. Dosage adjustments are made during treatment to achieve optimal benefit while minimizing adverse effects.

Safety data for methylphenidate hydrochloride in pregnancy and lactation are limited. Healthcare providers should weigh potential benefits against possible risks and discuss them with the patient. Use is generally reserved for situations where the therapeutic advantage justifies potential fetal or infant exposure.

To request Metynor, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and the necessary import documentation.

Metynor (methylphenidate) is a stimulant that directly increases dopamine and norepinephrine levels, similar to other methylphenidate products and amphetamine‑based agents. Compared with non‑stimulant options, it typically offers a faster onset of action but may carry a higher risk of cardiovascular and psychiatric side effects, requiring careful monitoring.

Metynor should be stored at ambient temperature, below 25 °C (77 °F). Keep the product in its original packaging, protect it from moisture, direct sunlight and excessive heat to maintain stability and potency throughout its shelf life.

Metynor is taken orally, usually as a tablet or capsule, and should be swallowed whole with water. It is typically taken once or twice daily, with or without food, according to the prescribing clinician’s instructions.

Serious risks include cardiovascular events such as hypertension, arrhythmia, or myocardial infarction; psychiatric effects like psychosis, severe anxiety, or suicidal thoughts; and rare but severe allergic reactions. Patients should be monitored regularly for these adverse outcomes, especially during treatment initiation and dose changes.

Metynor is contraindicated in individuals with known hypersensitivity to methylphenidate or any formulation component, those currently taking monoamine oxidase inhibitors, and patients with severe cardiovascular disorders, uncontrolled hypertension, or a history of serious psychiatric conditions unless closely supervised by a specialist.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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