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 used to treat schizophrenia, bipolar disorder and as adjunct therapy for major depressive disorder in adults.

GNH India supplies Kventiax as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring quality‑assured batches and reliable logistics for global markets. The company adheres to EU GMP standards and provides full documentation for regulatory review. Customers benefit from competitive pricing and dedicated technical support throughout the procurement process.

Manufacturer / TM Owner

Krka, D.D., Novo Mesto

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Indications & Clinical Uses

Quetiapine acts on dopamine and serotonin pathways to manage several psychiatric conditions.

  • Schizophrenia: reduces psychotic symptoms such as hallucinations and delusions.
  • Bipolar disorder (manic episodes): stabilizes mood and decreases mania severity.
  • Bipolar disorder (depressive episodes): alleviates depressive symptoms.
  • Major depressive disorder (adjunct therapy): enhances response when added to antidepressants.

How It Works

  • Quetiapine exerts its effect by antagonizing dopamine D2 receptors and serotonin 5‑HT2A receptors, while also modulating 5‑HT1A, histamine H1 and adrenergic α1 receptors. This mixed receptor blockade balances dopaminergic and serotonergic neurotransmission, leading to reduced psychosis, mood stabilization, and antidepressant augmentation. The antagonism at H1 contributes to sedation, while α1 blockade can cause orthostatic hypotension. Overall, the pharmacodynamic profile supports its use across psychotic and mood disorders.

Side Effects

Quetiapine may be associated with a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Drowsiness
  • Dizziness
  • Dry mouth
  • Constipation
  • Weight gain

Serious or Rare Side Effects

  • Agranulocytosis
  • Neuroleptic malignant syndrome
  • Tardive dyskinesia
  • Suicidal thoughts or behaviors
  • Severe hypotension

Precautions & Warnings

When prescribing quetiapine, clinicians should observe several safety considerations.

  • Monitor blood pressure: watch for orthostatic hypotension especially at treatment initiation.
  • Assess metabolic parameters: track weight, glucose and lipid levels regularly.
  • Evaluate for suicidal ideation: particularly in younger adults and during dose changes.
  • Use caution in hepatic impairment: dose adjustment may be required.
  • Adjust dosing in elderly: increased sensitivity to sedation and falls.
  • Store at room temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Quetiapine interacts with several drug classes that may alter its efficacy or safety profile.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole): may increase quetiapine plasma levels.
  • Strong CYP3A4 inducers (e.g., rifampin): may reduce quetiapine exposure.
  • CNS depressants (alcohol, benzodiazepines): additive sedation and respiratory depression.
  • Antihypertensive agents: enhanced hypotensive effect.
  • QT‑prolonging drugs (e.g., sotalol): increased risk of cardiac arrhythmia.

Moderate Interactions (Monitor Closely)

  • Other antipsychotics: cumulative dopamine blockade.
  • Antidepressants (SSRIs, SNRIs): potential for serotonin syndrome.
  • Antihistamines: increased sedation.
  • Anticholinergic agents: may worsen cognitive effects.
  • Carbamazepine: moderate CYP3A4 induction reducing quetiapine levels.

Frequently Asked Questions

Kventiax contains quetiapine and is prescribed to manage schizophrenia, both manic and depressive phases of bipolar disorder, and as an adjunct to antidepressants in major depressive disorder. It helps control psychotic symptoms, stabilize mood, and improve depressive outcomes when used under medical supervision.

Quetiapine works by blocking dopamine D2 receptors and serotonin 5‑HT2A receptors while also influencing 5‑HT1A, histamine H1 and adrenergic α1 receptors. This mixed antagonism balances neurotransmitter activity, reducing psychosis, moderating mood swings, and enhancing the effect of antidepressants in certain patients.

The appropriate dose of Kventiax is individualized by the prescribing clinician based on the specific diagnosis, severity of symptoms, patient age, metabolic status, and response to therapy. No fixed dosing regimen is provided here; the prescriber will set the dose and titration schedule.

The pregnancy category for quetiapine is listed as unknown, and safety data are limited. Use during pregnancy or lactation should only occur when the potential benefit justifies any potential risk to the fetus or infant, and decisions should be made in consultation with a healthcare professional.

To order Kventiax, 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.

Kventiax (quetiapine) shares the broad receptor profile typical of atypical antipsychotics but is distinguished by relatively strong antihistamine and α1‑adrenergic blockade, which can cause sedation and orthostatic effects. Compared with agents such as risperidone or olanzapine, quetiapine may have a lower risk of prolactin elevation but a higher propensity for weight gain and drowsiness.

Store Kventiax at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight, and excessive heat. Do not store in a refrigerator or freezer, and ensure the container is tightly closed when not in use.

Kventiax is taken orally as a tablet. It should be swallowed whole with water, with or without food, as directed by the prescriber. The tablet should not be chewed, crushed, or split unless specifically advised by a healthcare professional.

Serious adverse events include agranulocytosis, neuroleptic malignant syndrome, tardive dyskinesia, severe hypotension, and emergence of suicidal thoughts or behaviors. Patients should be monitored closely for signs of infection, unexplained fever, muscle rigidity, sudden changes in mood, or cardiovascular instability, and seek immediate medical attention if these occur.

Kventiax is contraindicated in individuals with known hypersensitivity to quetiapine or any of its excipients. Caution is advised for patients with uncontrolled cardiovascular disease, severe hepatic impairment, or a history of neuroleptic malignant syndrome. It should also be avoided in patients taking medications that strongly induce or inhibit CYP3A4 without appropriate dose adjustments.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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