Product image of Mirtazapine Sandoz (Mirtazapine) supplied by GNH India

Mirtazapine Sandoz

Active Ingredient:
Mirtazapine
Origin:
EU

Mirtazapine Sandoz (Mirtazapine)

Mirtazapine, the active ingredient in Mirtazapine Sandoz, is a tetracyclic antidepressant presented as an oral tablet for oral use. It is prescribed for the treatment of major depressive disorder in adults.
GNH India supplies Mirtazapine Sandoz as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sandoz N.V.

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Indications & Clinical Uses

Mirtazapine acts on depressive disorders and related symptom clusters.

  • Major depressive disorder: alleviates depressive mood, improves sleep and appetite.
  • Depressive episodes with insomnia: promotes better sleep quality.
  • Depression with anxiety symptoms: reduces anxiety and tension associated with depressive states.

How It Works

  • Mirtazapeine blocks central presynaptic alpha‑2 adrenergic receptors, increasing norepinephrine release, and antagonises 5‑HT2, 5‑HT3 and H1 receptors. This combined action enhances serotonergic and noradrenergic neurotransmission while providing antihistaminic effects, leading to its antidepressant and anxiolytic properties.

Side Effects

Mirtazapine may cause a range of adverse reactions.

Common Side Effects

  • Sedation or drowsiness
  • Increased appetite and weight gain
  • Dry mouth
  • Constipation
  • Dizziness
  • Peripheral edema

Serious or Rare Side Effects

  • Agranulocytosis or severe neutropenia
  • Severe hypersensitivity reactions (rash, angioedema)
  • Suicidal thoughts or behavior, especially early in therapy
  • Serotonin syndrome when combined with other serotonergic agents
  • Hepatotoxicity (rare)
  • Unusual bleeding or clotting disorders

Precautions & Warnings

Before initiating therapy, consider the following safety measures.

  • Monitor weight: watch for rapid weight gain or loss.
  • Assess hepatic function: adjust if liver disease is present.
  • Caution in elderly: increased risk of sedation and falls.
  • Avoid abrupt discontinuation: taper dose to minimise withdrawal.
  • Screen for suicidal ideation: especially during the first weeks of treatment.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Mirtazapine can interact with several drug classes, requiring careful management.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis and serotonin syndrome.
  • Other serotonergic agents (SSRIs, SNRIs, tramadol): increased serotonin syndrome risk.
  • CNS depressants (benzodiazepines, alcohol): additive sedation and respiratory depression.
  • Potent CYP1A2 inhibitors: may raise mirtazapine plasma levels.
  • Antihistamines: heightened anticholinergic effects.

Moderate Interactions (Monitor Closely)

  • CYP2D6 inhibitors (fluoxetine, paroxetine): may increase exposure.
  • CYP3A4 inhibitors (ketoconazole, erythromycin): moderate increase in levels.
  • Antihypertensives: possible additive hypotensive effect.
  • Lithium: monitor for neurotoxicity.
  • Anticholinergic drugs: may exacerbate dry mouth and constipation.

Frequently Asked Questions

Mirtazapine Sandoz is a prescription medication indicated for the treatment of major depressive disorder in adults. It helps improve mood, sleep, and appetite by enhancing norepinephrine and serotonin activity in the brain.

Mirtazapine works by blocking presynaptic alpha‑2 adrenergic receptors, which increases norepinephrine release, and by antagonising 5‑HT2, 5‑HT3 and H1 receptors. This combined effect raises serotonergic and noradrenergic neurotransmission while providing antihistaminic activity, contributing to its antidepressant and anxiolytic effects.

The appropriate dose of Mirtazapine Sandoz is determined by the prescribing healthcare professional based on the individual’s clinical condition, response to therapy, and tolerability. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety of mirtazapine in pregnancy and lactation has not been definitively established. Healthcare providers weigh potential benefits against possible risks before prescribing to pregnant or nursing women, and alternative treatments may be considered when appropriate.

To order, 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 and any necessary import documentation.

Mirtazapine differs from selective serotonin reuptake inhibitors (SSRIs) by its dual noradrenergic and serotonergic activity and strong antihistaminic effect, which often leads to sedation and weight gain. It may be preferred when patients need help with insomnia or appetite loss, whereas SSRIs are generally less sedating.

Mirtazapine Sandoz tablets should be stored at ambient temperature, below 25 °C, in the original packaging to protect from moisture and light. Keep the product out of reach of children and do not use if the packaging is damaged.

The medication is taken orally, usually once daily in the evening with or without food, as directed by the prescriber. Swallow the tablet whole; do not crush or chew unless specifically instructed.

Serious risks include the potential for suicidal thoughts or behavior, especially early in treatment, agranulocytosis or severe neutropenia, and rare cases of serotonin syndrome when combined with other serotonergic drugs. Patients should be monitored closely for any sudden changes in mood or health.

Mirtazapine is contraindicated in patients with known hypersensitivity to the drug or any of its components, and it should be avoided in individuals currently taking monoamine oxidase inhibitors (MAOIs). Caution is also advised for patients with severe hepatic impairment or uncontrolled epilepsy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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