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

Mirtazapin Ratiopharm

Active Ingredient:
Mirtazapine
Origin:
EU

Mirtazapin Ratiopharm (Mirtazapine)

Mirtazapine, the active ingredient in Mirtazapin Ratiopharm, is a NaSSA (noradrenergic and specific serotonergic antidepressant) presented as an oral dosage form for oral use. It is indicated for the treatment of major depressive disorder in adult patients and may improve mood, sleep and appetite.

GNH India supplies Mirtazapin Ratiopharm as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing, regulatory support and consistent quality for mental‑health treatment programs across Europe, Asia and the Americas.

Manufacturer / TM Owner

Teva B.V

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Indications & Clinical Uses

Mirtazapine is an antidepressant that acts on noradrenergic and serotonergic pathways, primarily used for major depressive disorder.

  • Major Depressive Disorder: alleviates depressive symptoms and improves overall mood.
  • Depressive Episodes in Bipolar Disorder (adjunct): helps reduce depressive phases when used with mood stabilisers.
  • Anxiety Associated with Depression: may lessen anxiety symptoms that accompany depressive states.

How It Works

  • Mirtazapine blocks central presynaptic α2‑adrenergic receptors, increasing norepinephrine release, and antagonises postsynaptic 5‑HT2 and 5‑HT3 receptors, which enhances serotonergic transmission while reducing serotonergic side‑effects. This combined action results in increased monoaminergic activity that contributes to its antidepressant effect.

Side Effects

Mirtazapine may cause a range of adverse reactions, from mild to serious.

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
  • Hepatic dysfunction or jaundice
  • Severe hypersensitivity reactions (e.g., Stevens‑Johnson syndrome)
  • Suicidal ideation, especially early in treatment
  • Serotonin syndrome when combined with other serotonergic agents
  • Cardiovascular effects such as orthostatic hypotension

Precautions & Warnings

Before prescribing Mirtazapine, clinicians should consider several safety aspects.

  • Assess hepatic function: evaluate liver enzymes prior to initiation.
  • Monitor weight: due to potential for significant weight gain.
  • Screen for suicidal thoughts: particularly during the first weeks of therapy.
  • Use caution in elderly patients: increased risk of sedation, falls and confusion.
  • Avoid abrupt discontinuation: taper the dose under medical supervision to minimise withdrawal symptoms.
  • Store at ambient temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

Mirtazapine can interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis.
  • Strong CYP2D6 inhibitors (e.g., fluoxetine, paroxetine): may raise mirtazapine plasma levels.
  • Central nervous system depressants (e.g., benzodiazepines, opioids): additive sedation and respiratory depression.

Moderate Interactions (Monitor Closely)

  • Other serotonergic agents (SSRIs, SNRIs, tramadol): potential for serotonin syndrome.
  • Alcohol: enhances sedative effects.
  • Anticholinergic drugs (e.g., diphenhydramine): may increase dry mouth and constipation.

Frequently Asked Questions

Mirtazapin Ratiopharm contains the active ingredient mirtazapine, which is prescribed to treat major depressive disorder in adult patients. It may also be used as an adjunct in depressive episodes of bipolar disorder and to alleviate anxiety symptoms that occur alongside depression.

Mirtazapine works by blocking presynaptic α2‑adrenergic receptors, which increases the release of norepinephrine, and by antagonising postsynaptic 5‑HT2 and 5‑HT3 receptors. This dual action enhances overall serotonergic and noradrenergic neurotransmission, helping to improve mood and reduce depressive symptoms.

The appropriate dose of Mirtazapin Ratiopharm is determined individually by a qualified prescriber based on the patient’s clinical condition, response to therapy and tolerability. Dosage adjustments are made according to professional medical judgment and current treatment 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, and this decision must be made by the treating physician.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity of Mirtazapin Ratiopharm. 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 Ratiopharm (mirtazapine) belongs to the NaSSA class, which differs from SSRIs and SNRIs by its dual antagonism of α2‑adrenergic and specific serotonin receptors. This mechanism often results in stronger sedative effects and appetite stimulation, making it useful for patients with insomnia or weight loss, whereas SSRIs typically have fewer metabolic effects.

Mirtazapin Ratiopharm should be stored at ambient temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight and excessive heat to maintain its stability and potency.

Mirtazapin Ratiopharm is taken orally, usually once daily in the evening, as directed by the prescribing clinician. The tablet should be swallowed whole with water and not crushed or chewed unless otherwise instructed by a healthcare professional.

Serious risks include agranulocytosis, severe hepatic dysfunction, hypersensitivity reactions such as Stevens‑Johnson syndrome, and the emergence or worsening of suicidal thoughts, especially at the start of therapy. Patients should be monitored closely for any signs of these conditions.

Mirtazapin Ratiopharm is contraindicated in patients with known hypersensitivity to mirtazapine or any of its excipients, and it should be avoided in individuals currently taking monoamine oxidase inhibitors. Caution is also advised for patients with severe hepatic impairment or uncontrolled cardiovascular disease.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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