Product image of Ketilept (Quetiapine Fumarate) supplied by GNH India

Ketilept

Active Ingredient:
Quetiapine Fumarate
Origin:
EU

Ketilept (Quetiapine Fumarate)

Quetiapine fumarate, the active ingredient in Ketilept, 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 in adult patients.

GNH India supplies Ketilept as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for global distribution. Products are manufactured in EU‑certified facilities and undergo routine batch testing to ensure consistency.

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

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Indications & Clinical Uses

Ketilept (quetiapine fumarate) acts on multiple neurotransmitter pathways and is indicated for several psychiatric conditions.

  • Schizophrenia: reduces psychotic symptoms such as hallucinations and delusions.
  • Bipolar disorder (manic episodes): stabilizes mood and decreases manic intensity.
  • Major depressive disorder (adjunct therapy): enhances antidepressant response when added to standard treatment.

How It Works

  • Quetiapine fumarate exerts its antipsychotic effect primarily by antagonizing serotonin 5‑HT2A and dopamine D2 receptors, while also blocking histamine H1, adrenergic α1 and several other receptors. This receptor profile leads to a balanced modulation of dopaminergic and serotonergic neurotransmission, reducing psychotic and mood symptoms without the high potency dopamine blockade seen with typical antipsychotics. The combined antagonism also contributes to sedation and metabolic effects observed clinically.

Side Effects

Quetiapine fumarate may be associated with a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Drowsiness: feeling of sleepiness or reduced alertness.
  • Dry mouth: decreased salivation causing oral discomfort.
  • Weight gain: increase in body weight over time.
  • Constipation: reduced bowel movements leading to discomfort.

Serious or Rare Side Effects

  • Neuroleptic malignant syndrome: rare but life‑threatening reaction with fever, rigidity and autonomic instability.
  • Tardive dyskinesia: persistent involuntary movements, especially of the face and tongue.
  • Severe orthostatic hypotension: marked drop in blood pressure upon standing causing dizziness or fainting.

Precautions & Warnings

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

  • Assess cardiovascular status: evaluate blood pressure and heart rate before initiating therapy.
  • Monitor metabolic parameters: regularly check weight, glucose and lipid levels during treatment.
  • Caution in elderly patients: increased sensitivity to sedation and falls risk.
  • Avoid abrupt discontinuation: taper the dose gradually to reduce withdrawal symptoms.
  • Pregnancy and lactation: weigh potential benefits against risks; consult obstetric guidance.
  • Store at ambient temperature: keep below 25 °C in the original container, protect from moisture and light.

Avoid Interactions

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

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): may increase quetiapine plasma levels, raising risk of toxicity.
  • CNS depressants (e.g., alcohol, benzodiazepines): additive sedation and respiratory depression.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may lower quetiapine concentrations, reducing therapeutic effect.
  • Antihypertensive agents: quetiapine may enhance orthostatic hypotension, requiring blood pressure monitoring.

Frequently Asked Questions

Ketilept contains quetiapine fumarate and is prescribed for the management of schizophrenia, for acute manic episodes in bipolar disorder, and as an adjunctive therapy to antidepressants in major depressive disorder when additional symptom control is needed.

Quetiapine fumarate works by blocking several neurotransmitter receptors, chiefly serotonin 5‑HT2A and dopamine D2, while also antagonising histamine H1 and adrenergic α1 receptors. This mixed antagonism balances dopaminergic and serotonergic activity, helping to reduce psychotic symptoms and stabilize mood.

The appropriate dose of Ketilept is determined by the prescribing clinician based on the specific indication, patient age, response to therapy and tolerability. Dosage adjustments are made individually, and patients should follow the prescriber’s instructions without self‑adjusting the amount.

Safety data for quetiapine fumarate in pregnancy and lactation are limited. The drug should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and decisions should be made in consultation with a qualified obstetric or pediatric specialist.

To request Ketilept, 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.

Compared with typical antipsychotics, Ketilept (quetiapine) offers a broader receptor profile that often results in lower rates of extrapyramidal symptoms. Relative to other atypicals such as risperidone, quetiapine may cause more sedation and weight gain but is frequently chosen for its mood‑stabilising properties in bipolar disorder.

Ketilept should be stored at ambient temperature, preferably below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid storing it in humid or excessively hot environments.

Ketilept is taken orally, usually as a tablet that should be swallowed whole with water. It can be taken with or without food, but patients should follow the prescriber’s guidance on timing and any specific instructions related to meals.

The most serious risks include neuroleptic malignant syndrome, a rare but potentially fatal reaction characterized by fever, muscle rigidity and autonomic instability; tardive dyskinesia, which involves persistent involuntary movements; and severe orthostatic hypotension that can lead to fainting or falls.

Ketilept should be avoided in individuals with known hypersensitivity to quetiapine or any of its excipients, those with uncontrolled narrow‑angle glaucoma, and patients with severe cardiovascular conditions where orthostatic hypotension could be hazardous. A thorough medical review is required before initiating therapy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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