Product image of Mirtazapine Instant Eg (Mirtazapine) supplied by GNH India

Mirtazapine Instant Eg

Active Ingredient:
Mirtazapine
Origin:
EU

Mirtazapine Instant Eg (Mirtazapine)

Mirtazapine, the active ingredient in Mirtazapine Instant Eg, is a NaSSA (noradrenergic and specific serotonergic antidepressant) presented as an oral dosage form for oral use. It is prescribed for the treatment of major depressive disorder and related depressive episodes in adult patients.

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

Manufacturer / TM Owner

Eurogenerics N.V./S.A.

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Indications & Clinical Uses

Mirtazapine belongs to the NaSSA class and is used to manage depressive disorders.

  • Major depressive disorder: reduces depressive symptoms and improves overall mood.
  • Depressive episodes: provides relief of depressive signs during an acute episode.
  • Depression with associated insomnia or loss of appetite: helps improve sleep quality and appetite, supporting recovery.

How It Works

  • Mirtazapine acts as an antagonist at central presynaptic α2‑adrenergic receptors, which increases norepinephrine release, and blocks postsynaptic 5‑HT2, 5‑HT3 and H1 receptors. This combined action enhances serotonergic and noradrenergic neurotransmission while producing antihistaminic effects, leading to its antidepressant and sedative properties.

Side Effects

Mirtazapine may cause a range of adverse reactions, some of which are more frequent than others.

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
  • Stevens‑Johnson syndrome or toxic epidermal necrolysis
  • Hepatic dysfunction
  • Suicidal thoughts or behavior
  • Severe hypotension or syncope

Precautions & Warnings

When prescribing or dispensing mirtazapine, several safety considerations should be observed.

  • Monitor weight: patients may experience significant weight gain.
  • Assess for suicidal ideation: especially during early treatment or dose changes.
  • Caution in hepatic impairment: dose adjustment may be required.
  • Avoid abrupt discontinuation: taper to reduce withdrawal symptoms.
  • Use with caution in the elderly: increased risk of sedation and falls.
  • Store at room temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

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

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis.
  • Other serotonergic agents (e.g., SSRIs, SNRIs, tramadol): potential serotonin syndrome.
  • Central nervous system depressants (e.g., benzodiazepines, alcohol): enhanced sedation.
  • Strong CYP2D6 inhibitors (e.g., paroxetine, fluoxetine): increased mirtazapine plasma levels.

Moderate Interactions (Monitor Closely)

  • Alcohol: may intensify CNS depression.
  • Antihistamines: additive sedative effect.
  • Carbamazepine or phenytoin: may reduce mirtazapine concentrations.
  • Fluconazole: modest increase in mirtazapine exposure.

Frequently Asked Questions

Mirtazapine Instant Eg contains the antidepressant mirtazapine and is indicated for the treatment of major depressive disorder and acute depressive episodes in adult patients. It helps alleviate depressive symptoms such as low mood, loss of interest, and associated sleep or appetite disturbances.

Mirtazapine works by blocking presynaptic α2‑adrenergic receptors, which increases the release of norepinephrine, and by antagonising postsynaptic 5‑HT2, 5‑HT3 and H1 receptors. This dual action enhances serotonergic and noradrenergic neurotransmission while providing antihistaminic effects, contributing to its antidepressant and sedative properties.

The appropriate dose of Mirtazapine Instant Eg is determined by the prescribing clinician based on the individual patient's condition, response, and tolerability. Dosage adjustments are made according to clinical judgment and patient-specific factors.

Safety data for mirtazapine in pregnancy and lactation are limited. The drug 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 place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request trade or institutional credentials before providing pricing, availability, shipping details and any necessary import documentation.

Mirtazapine belongs to the NaSSA class, differing from SSRIs and SNRIs by its combined noradrenergic and specific serotonergic activity and strong antihistaminic effect. It is often chosen for patients who need additional sedation or appetite stimulation, whereas SSRIs may have a more activating profile.

Mirtazapine Instant Eg should be stored at room temperature, below 25 °C, in its 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 with a glass of water; do not crush or chew unless specifically instructed.

Serious risks include the potential for suicidal thoughts or behavior, especially during early treatment, agranulocytosis or severe neutropenia, and rare severe skin reactions such as Stevens‑Johnson syndrome. Patients should be monitored closely for any sudden changes in mood or signs of infection.

Mirtazapine is contraindicated in patients who have taken a monoamine oxidase inhibitor within the past 14 days, or in individuals with known hypersensitivity to mirtazapine or any of its excipients. Caution is also advised for patients with severe hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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