Product image of Kventiax (Quetiapine) supplied by GNH India

Kventiax

Active Ingredient:
Quetiapine
Origin:
EU

Kventiax (Quetiapine)

Quetiapine, the active ingredient in Kventiax, is an atypical antipsychotic presented as an oral tablet for oral use. It is prescribed for the management of schizophrenia, bipolar disorder and as adjunct therapy in major depressive disorder, primarily in adult patients.
GNH India supplies Kventiax as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, adhering to EU quality standards and providing reliable global distribution. Our network ensures timely delivery and regulatory compliance across regions.

Manufacturer / TM Owner

Krka-Farma D.O.O.

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Indications & Clinical Uses

Quetiapine is an atypical antipsychotic that modulates dopamine and serotonin pathways in several psychiatric conditions.

  • Schizophrenia: reduces psychotic symptoms such as delusions, hallucinations and thought disorder.
  • Bipolar disorder: stabilises mood, decreasing manic and depressive episodes.
  • Major depressive disorder (adjunct): enhances antidepressant response when added to standard therapy.

How It Works

  • Quetiapine acts as an antagonist at serotonin 5‑HT2A, dopamine D2, histamine H1 and adrenergic α1 receptors while providing partial agonism at 5‑HT1A receptors. This receptor profile reduces dopaminergic and serotonergic over‑activity, contributing to antipsychotic and mood‑stabilising effects without causing full dopamine blockade.

Side Effects

Common side effects are generally mild to moderate and may resolve with continued therapy.

Common Side Effects

  • Sedation or somnolence
  • Dizziness or light‑headedness
  • Dry mouth
  • Constipation
  • Weight gain
  • Orthostatic hypotension

Serious or Rare Side Effects

  • Neuroleptic malignant syndrome
  • Agranulocytosis or severe leukopenia
  • Significant cardiac arrhythmias
  • Suicidal thoughts or behavior
  • Severe hypotension or syncope
  • Anaphylactic or severe allergic reactions

Precautions & Warnings

Before initiating therapy, clinicians should evaluate several safety parameters.

  • Monitor blood pressure: watch for orthostatic changes, especially at treatment start.
  • Assess metabolic profile: track weight, glucose and lipid levels regularly.
  • Evaluate for suicidal ideation: particularly in depressive or bipolar patients.
  • Use caution in hepatic impairment: dose adjustments may be required.
  • Avoid abrupt discontinuation: taper to minimise withdrawal or relapse.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Quetiapine may interact with other medicines, altering its effectiveness or safety.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): increase quetiapine levels.
  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine): reduce quetiapine exposure.
  • CNS depressants (alcohol, benzodiazepines): additive sedation and respiratory depression.
  • Antihypertensive agents: risk of excessive hypotension.
  • Anticholinergic drugs: may worsen cognitive side effects.

Moderate Interactions (Monitor Closely)

  • Other antipsychotics: cumulative dopamine blockade.
  • SSRIs or SNRIs: potential serotonin syndrome.
  • Lithium: monitor serum levels for neurotoxicity.
  • Antihistamines: increased sedation.
  • QT‑prolonging agents: monitor cardiac rhythm.

Frequently Asked Questions

Kventiax, containing quetiapine, is prescribed for schizophrenia, bipolar disorder and as an adjunct to antidepressants in major depressive disorder. It helps control psychotic symptoms, stabilise mood swings, and improve depressive outcomes when used alongside standard therapy.

Quetiapine blocks serotonin 5‑HT2A and dopamine D2 receptors while partially stimulating 5‑HT1A receptors. This combined antagonism and partial agonism reduces excessive dopamine and serotonin activity, leading to antipsychotic, mood‑stabilising and antidepressant effects without full dopamine blockade.

The specific dose of Kventiax is determined by the prescribing clinician based on the patient’s diagnosis, severity of symptoms, age, renal and hepatic function, and other individual factors. Only a qualified health professional should set the appropriate dosing regimen.

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

To request Kventiax, 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 required import documentation.

Kventiax (quetiapine) offers a broader receptor profile, including strong antihistamine and α1‑adrenergic blockade, which can lead to greater sedation and metabolic effects compared with some alternatives. Its partial 5‑HT1A agonism may provide additional mood‑stabilising benefits, but individual response varies and should be assessed by a clinician.

Kventiax should be stored at room temperature, below 25 °C (77 °F). Keep the tablets in their original packaging, protect them from moisture, heat and direct sunlight, and ensure they are out of reach of children.

Kventiax is taken orally, usually with or without food, as directed by the prescriber. Tablets should be swallowed whole with water and not crushed or chewed unless specifically instructed. Dosing frequency and titration are individualized based on therapeutic response and tolerability.

Serious risks include neuroleptic malignant syndrome, severe hypotension, agranulocytosis, cardiac arrhythmias, and increased suicidal thoughts, especially in young adults. Patients should be monitored closely for fever, muscle rigidity, sudden blood pressure changes, signs of infection, or emergent mood changes.

Kventiax is contraindicated in patients with known hypersensitivity to quetiapine or any excipients, and in individuals with a history of severe cardiovascular disease where orthostatic hypotension could be hazardous. Caution is also advised for patients with uncontrolled diabetes, severe hepatic impairment, or those taking interacting medications.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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