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

Mirtazapin Sandoz

Active Ingredient:
Mirtazapine
Origin:
EU

Mirtazapin Sandoz (Mirtazapine)

Mirtazapine, the active ingredient in Mirtazapin Sandoz, is a NaSSA (noradrenergic and specific serotonergic antidepressant) presented as a tablet for oral use. It works by modulating norepinephrine and serotonin pathways and is indicated for the treatment of major depressive disorder in adult patients, helping to improve mood, sleep and appetite.

GNH India supplies Mirtazapin Sandoz as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory‑aligned distribution for healthcare providers through established global networks.

Manufacturer / TM Owner

Sandoz Hungária Kft

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Indications & Clinical Uses

Mirtazapine is a NaSSA antidepressant that acts on neurotransmitter systems involved in mood regulation.

  • Major depressive disorder: reduces depressive symptoms, improves mood, sleep and appetite.
  • Depressive episodes in bipolar disorder (adjunct therapy): helps alleviate depressive phase when combined with mood stabilizers.
  • Depression with comorbid anxiety: may improve both mood and anxiety symptoms.

How It Works

  • Mirtazapine antagonizes central presynaptic α2‑adrenergic receptors, which increases the release of norepinephrine and serotonin. It also blocks postsynaptic 5‑HT2 and 5‑HT3 receptors and histamine H1 receptors, enhancing serotonergic transmission while producing sedative effects. This combined receptor profile leads to increased monoaminergic activity and contributes to its antidepressant and anxiolytic properties. Additionally, the drug’s antagonism at 5‑HT2 and 5‑HT3 receptors reduces nausea and improves sleep continuity.

Side Effects

Mirtazapine may cause a range of adverse reactions, which are categorized by frequency.

Common Side Effects

  • Drowsiness or sedation
  • Increased appetite and weight gain
  • Dry mouth
  • Constipation
  • Dizziness
  • Fatigue
  • Nausea
  • Headache

Serious or Rare Side Effects

  • Agranulocytosis or severe neutropenia
  • Severe hypersensitivity reactions (e.g., Stevens‑Johnson syndrome)
  • Suicidal thoughts or worsening depression, especially early in treatment

Precautions & Warnings

When prescribing mirtazapine, clinicians should consider several safety measures.

  • Assess psychiatric history: evaluate for suicidal ideation before initiating therapy.
  • Monitor weight and metabolic parameters: track changes in appetite, weight and lipid profile regularly.
  • Use caution in patients with hepatic impairment: dose adjustments may be required.
  • Avoid abrupt discontinuation: taper under medical supervision to reduce withdrawal symptoms.
  • Store at ambient temperature below 25°C: keep in original packaging, protect from moisture and light.

Avoid Interactions

Mirtazapine can interact with other medicines, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of serotonin syndrome; a 14‑day washout is required.
  • Potent CYP1A2 inhibitors (e.g., fluvoxamine): may increase mirtazapine plasma concentrations.
  • Central nervous system depressants (e.g., benzodiazepines, alcohol): can enhance sedation and respiratory depression.

Moderate Interactions (Monitor Closely)

  • CYP2D6 substrates (e.g., codeine, tramadol): metabolism may be altered.
  • Anticholinergic agents: additive dry mouth and constipation.
  • Other serotonergic agents (e.g., SSRIs, SNRIs): monitor for signs of serotonin syndrome.

Frequently Asked Questions

Mirtazapin Sandoz contains the active ingredient mirtazapine and is used to treat major depressive disorder in adult patients. It helps alleviate depressive symptoms such as low mood, loss of interest, sleep disturbances and changes in appetite, providing an overall improvement in emotional well‑being.

Mirtazapine works by blocking presynaptic α2‑adrenergic receptors, which increases the release of norepinephrine and serotonin. It also antagonises postsynaptic 5‑HT2, 5‑HT3 and histamine H1 receptors, enhancing serotonergic activity while producing a calming, sedative effect that contributes to its antidepressant action.

The appropriate dose of Mirtazapin Sandoz is individualized by the prescribing clinician based on the patient’s clinical condition, response to therapy, age, liver function and any concomitant medications. The prescriber will decide the starting dose and any subsequent adjustments, following local prescribing guidelines.

Safety data for mirtazapine in pregnancy and lactation are limited. The drug should only be used if the potential benefit to the mother outweighs any possible risk to the fetus or infant. Women who are pregnant, planning pregnancy, or breastfeeding should discuss risks and alternatives with their healthcare provider.

To order Mirtazapin Sandoz, 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.

Mirtazapin Sandoz belongs to the NaSSA class, which differs from selective serotonin reuptake inhibitors (SSRIs) by also blocking histamine H1 receptors, often causing sedation and weight gain. Compared with SSRIs, it may be preferred when patients need a sedating effect or have poor appetite, but individual response and side‑effect profiles guide the choice.

Store Mirtazapin Sandoz tablets at ambient temperature below 25 °C, in the original container, protected from moisture and light. Keep the product out of reach of children and do not use if the packaging is damaged or the tablets appear discoloured.

Mirtazapin Sandoz is taken orally, usually once daily in the evening because of its sedative properties. It may be swallowed with or without food, but patients should follow the specific instructions provided by their prescriber or pharmacist.

Serious risks include agranulocytosis or severe neutropenia, severe hypersensitivity reactions such as Stevens‑Johnson syndrome, and the emergence or worsening of suicidal thoughts, especially during the early weeks of treatment. Patients should be monitored closely for any signs of infection, rash, or changes in mood.

Mirtazapin Sandoz is contraindicated in patients with known hypersensitivity to mirtazapine or any of its excipients. Caution is advised for individuals taking monoamine oxidase inhibitors, those with severe hepatic impairment, or patients with a history of bipolar disorder who may experience a switch to mania if not co‑treated appropriately.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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