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

Ondansetron Arrow

Active Ingredient:
Ondansetron
Origin:
EU

Ondansetron Arrow (Ondansetron)

Ondansetron, the active ingredient in Ondansetron Arrow, is a 5-HT3 receptor antagonist presented as a tablet for oral use. It treats nausea and vomiting associated with chemotherapy, radiation therapy, and surgery in adult and pediatric patients. GNH India supplies Ondansetron Arrow as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide.

GNH India supplies Ondansetron Arrow as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide.

Manufacturer / TM Owner

Arrow Generiques

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Indications & Clinical Uses

Ondansetron Arrow is a selective 5‑HT3 receptor antagonist used to prevent and treat nausea and vomiting in several clinical settings.

  • Chemotherapy‑induced nausea and vomiting: helps control acute and delayed episodes in cancer patients.
  • Radiation‑induced nausea and vomiting: reduces the frequency and severity of symptoms during radiotherapy.
  • Post‑operative nausea and vomiting: decreases incidence of nausea after surgical procedures.
  • Pregnancy‑related hyperemesis gravidarum: provides relief when other measures are insufficient.
  • Anticipatory nausea: lessens nausea that occurs before chemotherapy in patients with a history of severe CINV.

How It Works

  • Ondansetron blocks the serotonin 5‑HT3 receptors located in the chemoreceptor trigger zone of the brain and on vagal afferent nerves in the gastrointestinal tract. By competitively inhibiting serotonin binding, it prevents the initiation of the vomiting reflex that is triggered by chemotherapy, radiation, or surgical stimuli, thereby reducing nausea and vomiting.

Side Effects

Side effects of ondansetron are generally mild but can vary in frequency and severity.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Constipation: occasional bowel habit changes.
  • Diarrhoea: transient loose stools.
  • Fatigue: feeling of tiredness.
  • Dizziness: light‑headed sensation.
  • Injection site pain (if administered parenterally).

Serious or Rare Side Effects

  • QT interval prolongation: may predispose to cardiac arrhythmias.
  • Severe allergic reaction: rash, itching, swelling, or anaphylaxis.
  • Serotonin syndrome: agitation, hyperreflexia, tremor when combined with other serotonergic agents.
  • Hepatic enzyme elevation: abnormal liver function tests.
  • Severe constipation or intestinal obstruction.
  • Vision changes: blurred vision or visual disturbances.

Precautions & Warnings

When using Ondansetron Arrow, clinicians should consider several safety measures.

  • Cardiac monitoring: assess baseline ECG in patients with known QT prolongation risk.
  • Electrolyte balance: correct hypokalaemia, hypomagnesemia, or hypocalcaemia before therapy.
  • Concomitant serotonergic drugs: avoid or monitor for serotonin syndrome.
  • Pregnancy: weigh benefits against potential risks; use only if clearly needed.
  • Breastfeeding: assess infant exposure risk before continuation.
  • Store at below 25°C: keep in the original packaging, protect from moisture and light.

Avoid Interactions

Ondansetron may interact with other medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Amiodarone: additive risk of QT prolongation.
  • Certain anti‑arrhythmics (e.g., sotalol, quinidine): heightened arrhythmia risk.
  • Tricyclic antidepressants: may increase QT interval.

Moderate Interactions (Monitor Closely)

  • Antifungal azoles (ketoconazole, fluconazole): may raise ondansetron plasma levels.
  • Macrolide antibiotics (erythromycin, clarithromycin): potential QT prolongation.
  • Atypical antipsychotics (ziprasidone, haloperidol): monitor cardiac rhythm.
  • Serotonergic agents (SSRIs, SNRIs, tramadol): watch for serotonin syndrome.

Frequently Asked Questions

Ondansetron Arrow is an antiemetic medication that helps prevent and treat nausea and vomiting caused by chemotherapy, radiation therapy, surgery, and certain pregnancy‑related conditions. It is commonly used in oncology, radiology and peri‑operative settings to improve patient comfort and reduce the risk of dehydration and treatment interruption.

Ondansetron blocks serotonin (5‑HT3) receptors in the brain’s chemoreceptor trigger zone and on vagal nerves of the gastrointestinal tract. By preventing serotonin from activating these receptors, the drug interrupts the neural pathway that triggers the vomiting reflex, thereby reducing nausea and vomiting.

The appropriate dose of Ondansetron Arrow is determined by the prescribing clinician based on the patient’s age, weight, the cause of nausea, and the treatment setting. Healthcare professionals follow local guidelines and product labeling to select the correct strength and dosing schedule.

Ondansetron may be used during pregnancy only when the expected benefit justifies potential risk to the fetus, and it is generally reserved for severe nausea that does not respond to other measures. Limited data are available for breastfeeding; clinicians should consider the infant’s exposure and may prefer alternative therapy if safety is uncertain.

To order, 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.

Ondansetron belongs to the 5‑HT3 antagonist class, offering rapid onset and effective control of both acute and delayed chemotherapy‑induced nausea. Compared with dopamine antagonists such as metoclopramide, ondansetron has a lower risk of extrapyramidal side effects and is generally better tolerated, though both classes are used based on clinical context.

Store Ondansetron Arrow at temperatures below 25 °C, in the original packaging, protected from moisture and direct light. Maintaining these conditions preserves the tablet’s stability and potency throughout its shelf life.

Ondansetron Arrow is supplied as oral tablets that are swallowed whole with water. In some clinical settings, a liquid formulation or injectable version may be used, but the tablet form is taken by mouth as directed by a healthcare professional.

Serious risks include QT interval prolongation, which can lead to cardiac arrhythmias, and rare allergic reactions such as anaphylaxis. Patients should be monitored for cardiac symptoms, especially if they have existing heart conditions or are taking other QT‑prolonging drugs.

Ondansetron Arrow should be avoided in patients with known hypersensitivity to ondansetron or any component of the formulation, and in individuals with congenital long‑QT syndrome or those taking multiple medications that significantly prolong the QT interval without careful monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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