Product image of Ondansetron Kalceks (Ondansetron) supplied by GNH India

Ondansetron Kalceks

Active Ingredient:
Ondansetron
Origin:
EU

Ondansetron Kalceks (Ondansetron)

Ondansetron, the active ingredient in Ondansetron Kalceks, is a 5‑HT3 receptor antagonist presented as an injectable solution for intramuscular and intravenous use. It is employed to prevent nausea and vomiting caused by chemotherapy, postoperative recovery, and radiation therapy in adult patients.

GNH India supplies Ondansetron Kalceks as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, and pharmacies worldwide, with distribution sourced from the European Union market. The product meets EU pharmacopoeial specifications and is manufactured under GMP conditions.

Manufacturer / TM Owner

Kalceks

1
Pack/s
This product is added to your enquiry list

Request a Quote

Please fill out the form below and our team will get back to you shortly with pricing and further information.

A minimum order value applies. Our team will confirm the exact amount or quantity after reviewing your requirements.

Indications & Clinical Uses

Ondansetron is a 5‑HT3 receptor antagonist used to control nausea and vomiting in several clinical settings.

  • Chemotherapy‑induced nausea and vomiting: prevents and treats acute and delayed nausea and vomiting associated with cytotoxic chemotherapy.
  • Postoperative nausea and vomiting: reduces incidence of nausea and vomiting after surgical procedures.
  • Radiation‑induced nausea and vomiting: mitigates nausea and vomiting caused by therapeutic radiation.

How It Works

  • Ondansetron selectively blocks serotonin (5‑HT3) receptors located on peripheral vagal afferents and in the chemoreceptor trigger zone of the brainstem. By preventing serotonin from binding to these ligand‑gated ion channels, it interrupts the neural signaling cascade that initiates the vomiting reflex, thereby reducing both acute and delayed emetic responses. The antagonism is reversible and does not affect other serotonin receptor subtypes, preserving normal gastrointestinal motility.

Side Effects

Ondansetron may cause a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Constipation: reduced bowel movements.
  • Diarrhea: loose stools.
  • Fatigue: feeling of tiredness.

Serious or Rare Side Effects

  • QT interval prolongation: potential cardiac rhythm disturbance.
  • Severe hypersensitivity: rash, itching, swelling, or anaphylaxis.
  • Serotonin syndrome: rare when combined with other serotonergic agents.
  • Hepatic enzyme elevation: increased liver transaminases.

Precautions & Warnings

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

  • Cardiac monitoring: assess baseline ECG in patients with known QT prolongation risk.
  • Electrolyte balance: correct hypokalemia, hypomagnesemia, or hypocalcemia before use.
  • Drug interactions: avoid concomitant use with other QT‑prolonging agents when possible.
  • Pregnancy: use only if potential benefit justifies potential risk, as safety data are limited.
  • Liver impairment: dose adjustment may be required in moderate to severe hepatic dysfunction.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

Avoid Interactions

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

Major Interactions (Avoid)

  • Apomorphine: may cause profound hypotension and loss of consciousness.
  • Other QT‑prolonging drugs (e.g., quinidine, haloperidol): increase risk of cardiac arrhythmias.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin): may raise ondansetron plasma levels.
  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce ondansetron effectiveness.
  • Serotonergic agents (e.g., SSRIs, tramadol): increase risk of serotonin syndrome.

Frequently Asked Questions

Ondansetron Kalceks is an injectable antiemetic indicated to prevent and treat nausea and vomiting that result from chemotherapy, postoperative recovery, and radiation therapy. It is used in adult patients where control of emesis improves comfort and facilitates continuation of essential medical treatments.

Ondansetron works by selectively blocking serotonin (5‑HT3) receptors located on peripheral vagal nerves and in the brainstem’s chemoreceptor trigger zone. This blockade stops serotonin from activating the vomiting reflex pathway, thereby reducing both acute and delayed episodes of nausea and vomiting.

The specific dose and dosing schedule of ondansetron are determined by the prescribing clinician based on the patient’s condition, treatment protocol, and clinical guidelines. Healthcare professionals adjust the regimen to match the severity of the emetogenic stimulus and individual patient factors.

Safety data for ondansetron during pregnancy are limited, and the drug should be used only when the potential benefit justifies any possible risk to the fetus. Limited information exists for breastfeeding; clinicians should weigh the benefits against potential exposure to the infant.

To order Ondansetron Kalceks, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams across international markets, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain where required) and necessary import documentation.

Ondansetron belongs to the 5‑HT3 antagonist class, which generally offers faster onset and fewer extrapyramidal side effects than dopamine antagonists such as metoclopramide. Compared with other 5‑HT3 agents like granisetron, ondansetron has a similar efficacy profile but may differ in dosing frequency and formulation options.

Ondansetron Kalceks must be stored at 2‑8 °C in a refrigerator, protected from light. The vial should remain in its original packaging, should not be frozen, and should be gently inverted if mixing is required. Once removed from refrigeration, use within the time frame specified by the manufacturer.

Ondansetron Kalceks is administered by intramuscular or intravenous injection. The route, rate of infusion, and site of injection are selected by the healthcare professional according to the clinical situation and patient tolerance.

Serious risks include QT interval prolongation, which can lead to cardiac arrhythmias, severe hypersensitivity reactions such as anaphylaxis, serotonin syndrome when combined with other serotonergic drugs, and rare hepatic enzyme elevations. Prompt medical evaluation is required if any of these events are suspected.

Ondansetron should be avoided in patients with known hypersensitivity to the drug or any component of the formulation, in individuals with congenital long‑QT syndrome, and in those taking apomorphine. Caution is also advised for patients with significant electrolyte disturbances or severe hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

Disclaimer

At GNH India, we aim to provide information that is expert-reviewed, accurate, and reliable. However, all content on this platform is intended for general informational purposes only and does not constitute professional medical advice, diagnosis, or treatment. While efforts are made to maintain accuracy and currency, the information may contain errors, omissions, or may not reflect the latest developments. Always consult a qualified healthcare professional regarding any medical concerns.

All product names, brand names, trademarks and registered trademarks displayed on this website are the property of their respective owners. This website and its operator are not affiliated with, endorsed by, or authorized by any such trade mark owners unless expressly stated. Any reference to product names or trademarks is made solely for descriptive and informational purposes. No commercial relationship, sponsorship, approval, or association with any trademark owner should be inferred. Information provided herein does not constitute promotion, advertising, or an offer for sale of any medicinal product and is intended solely for general informational purposes.

All trademarks and brand names displayed on this website are used strictly in accordance with the provisions of the Trade Marks Act, 1999, specifically Sections 30 and 30(1) governing fair use. Trademark ownership has been accurately attributed under the "Manufacturer/ TM Owner" section in compliance with statutory requirements.

Ordering Process

Simple, Secure, and Seamless

Learn how our streamlined ordering process guarantees fast, compliant, and reliable access to essential medicines worldwide.

Quote request form

01

Submit Quote Request Form

Tell us what medications you need by filling out our simple form and uploading a valid document.

Price estimate review

02

We Review & Send Estimate

Our licensed pharmacists will verify your details and provide you with a detailed cost estimate.

Secure payment

03

Confirm & Make Payment

Discuss any queries, approve the estimate, and complete your payment.

Worldwide delivery

04

Get Delivered

Your medicines, safely packed and delivered to your door or nearest airport — hassle-free.

Quality You Can Trust

Our internationally recognized certifications underscore our commitment to safety, quality, and excellence.