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

Mirtazapin Hexal

Active Ingredient:
Mirtazapine
Origin:
EU

Mirtazapin Hexal (Mirtazapine)

Mirtazapine, the active ingredient in Mirtazapin Hexal, is a NaSSA (noradrenergic and specific serotonergic antidepressant) presented as a tablet for oral use. It treats major depressive disorder in adult patients.

GNH India supplies Mirtazapin Hexal as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Hexal A/S

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Indications & Clinical Uses

Mirtazapine is used to treat depressive disorders by modulating noradrenergic and serotonergic pathways.

  • Major depressive disorder: alleviates depressive symptoms and improves mood in adult patients.

How It Works

  • Mirtazapine acts as an antagonist at central presynaptic α2‑adrenergic receptors, increasing norepinephrine release, and blocks postsynaptic 5‑HT2 and 5‑HT3 receptors, enhancing serotonergic transmission. It also antagonizes H1 histamine receptors, contributing to its sedative and appetite‑stimulating effects.

Side Effects

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

Common Side Effects

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

Serious or Rare Side Effects

  • Agranulocytosis or severe neutropenia
  • Hepatic dysfunction or jaundice
  • Severe hypersensitivity reactions (e.g., Stevens‑Johnson syndrome)
  • Suicidal thoughts or behavior, especially early in treatment
  • Serotonin syndrome when combined with other serotonergic agents

Precautions & Warnings

When prescribing Mirtazapine, clinicians should consider several precautionary measures to ensure safe use.

  • Assess hepatic function: evaluate liver enzymes before initiating therapy.
  • Monitor weight: patients may experience significant weight gain.
  • Screen for suicidal ideation: particularly during the first weeks of treatment.
  • Use caution in elderly: increased risk of sedation, falls, and orthostatic hypotension.
  • Avoid abrupt discontinuation: taper the dose under medical supervision to reduce withdrawal symptoms.
  • Store at ambient temperature: keep below 25°C in the original packaging, protected from moisture.

Avoid Interactions

Mirtazapine can interact with other medicines, affecting its efficacy or safety.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis; avoid concurrent use.
  • Other serotonergic agents (e.g., SSRIs, SNRIs, tramadol): potential for serotonin syndrome.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase mirtazapine plasma levels.

Moderate Interactions (Monitor Closely)

  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine): may modestly raise drug concentrations.
  • Alcohol: can enhance central nervous system depression.
  • Other CNS depressants (e.g., benzodiazepines, antihistamines): additive sedative effects.

Frequently Asked Questions

Mirtazapin Hexal contains mirtazapine, which is prescribed primarily for the treatment of major depressive disorder in adult patients. It helps alleviate depressive symptoms such as low mood, loss of interest, and impaired concentration by influencing noradrenergic and serotonergic neurotransmission.

Mirtazapine works by blocking presynaptic α2‑adrenergic receptors, leading to increased release of norepinephrine, and by antagonising postsynaptic 5‑HT2 and 5‑HT3 receptors, which enhances serotonergic activity. Its additional H1‑histamine antagonism contributes to sedation and appetite stimulation.

The appropriate dose of Mirtazapin Hexal is individualized by the prescribing clinician based on factors such as the severity of depression, patient age, liver function, and response to therapy. Dosage adjustments are made according to clinical judgment and patient tolerance.

The safety of mirtazapine in pregnancy and lactation has not been definitively established. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

To order Mirtazapin Hexal, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Mirtazapin Hexal (mirtazapine) belongs to the NaSSA class, whereas SSRIs primarily inhibit serotonin reuptake. Mirtazapine often causes sedation and weight gain, which can be advantageous for patients with insomnia or appetite loss, while SSRIs are generally more activating and have a different side‑effect profile.

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

Mirtazapin Hexal is taken orally, usually once daily in the evening to take advantage of its sedative effect. The tablet is swallowed whole with water and should be taken exactly as prescribed by the treating physician.

Serious risks include the potential for agranulocytosis or severe neutropenia, hepatic dysfunction, severe hypersensitivity reactions, and the emergence of suicidal thoughts, especially during the initial weeks of therapy. Combining mirtazapine with other serotonergic agents can also precipitate serotonin syndrome.

Mirtazapin Hexal is contraindicated in patients with known hypersensitivity to mirtazapine or any of its excipients, and in individuals currently taking monoamine oxidase inhibitors (MAOIs) or who have used an MAOI within the past 14 days. Caution is advised for patients with severe hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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