Product image of Ondansetron Aristo (Ondansetron Hydrochloride Dihydrate) supplied by GNH India

Ondansetron Aristo

Active Ingredient:
Ondansetron Hydrochloride Dihydrate
Origin:
EU

Ondansetron Aristo (Ondansetron Hydrochloride Dihydrate)

Ondondansetron Hydrochloride Dihydrate, the active ingredient in Ondansetron Aristo, is a 5-HT3 receptor antagonist presented as a tablet for oral use. It helps prevent nausea and vomiting associated with chemotherapy, radiation therapy, and postoperative recovery in adult patients. GNH India supplies Ondansetron Aristo as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres and pharmacies worldwide.

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

Manufacturer / TM Owner

Aristo Pharma Gmbh (Art 57)

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Indications & Clinical Uses

Ondansetron Aristo is a selective 5‑HT3 receptor antagonist used in the management of nausea and vomiting across several clinical pathways.

  • Chemotherapy‑induced nausea and vomiting: reduces the frequency and severity of acute and delayed episodes.
  • Radiation‑induced nausea and vomiting: helps control nausea during and after radiotherapy.
  • Post‑operative nausea and vomiting: decreases the incidence of vomiting after surgical procedures.
  • Hyperemesis gravidarum (severe pregnancy‑related nausea): provides symptomatic relief when other treatments are insufficient.

How It Works

  • Ondansetron blocks the serotonin 5‑HT3 receptors located on vagal nerve terminals in the gastrointestinal tract and in the chemoreceptor trigger zone of the brain. By preventing serotonin from binding to these receptors, it interrupts the neural signaling cascade that initiates the vomiting reflex, thereby reducing nausea and vomiting associated with chemotherapy, radiation, and surgery.

Side Effects

Adverse reactions to ondansetron are generally mild to moderate, but clinicians monitor both common and rare events.

Common Side Effects

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

Serious or Rare Side Effects

  • Cardiac arrhythmia: QT‑interval prolongation, especially with high doses.
  • Severe hypersensitivity: rash, itching, swelling, or anaphylaxis.
  • Serotonin syndrome: rare when combined with other serotonergic agents.
  • Hepatic dysfunction: elevated liver enzymes.
  • Vision changes: blurred vision or visual disturbances.

Precautions & Warnings

When prescribing ondansetron, clinicians consider several safety aspects to minimise risk.

  • Cardiac monitoring: assess baseline ECG in patients with known cardiac disease.
  • Electrolyte balance: correct hypokalaemia or hypomagnesemia before use.
  • Drug interactions: review concomitant medications that may affect QT interval.
  • Pregnancy: use only if benefit outweighs potential risk.
  • Lactation: evaluate infant exposure through breast milk.
  • Store at below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Ondansetron may interact with other medicines that influence cardiac rhythm or serotonin pathways.

Major Interactions (Avoid)

  • Amiodarone: additive QT‑prolongation risk.
  • Cisapride: combined effect on cardiac repolarisation.
  • Certain anti‑malarial drugs (e.g., quinidine): heightened arrhythmia potential.

Moderate Interactions (Monitor Closely)

  • Antidepressants (SSRIs, SNRIs): possible serotonin syndrome.
  • Antifungal azoles (ketoconazole, fluconazole): may increase ondansetron plasma levels.
  • Macrolide antibiotics (erythromycin): modest QT‑interval effect.
  • Calcium‑channel blockers (diltiazem): may affect drug metabolism.

Frequently Asked Questions

Ondansetron Aristo is a generic formulation of ondansetron hydrochloride dihydrate that is used to prevent and treat nausea and vomiting caused by chemotherapy, radiation therapy, surgery, and severe pregnancy‑related nausea (hyperemesis gravidarum). It is prescribed by a qualified health professional based on the patient’s clinical situation.

Ondansetron works by selectively blocking serotonin type‑3 (5‑HT3) receptors in the gastrointestinal tract and the brain’s chemoreceptor trigger zone. This inhibition stops serotonin‑mediated signaling that triggers the vomiting reflex, thereby reducing nausea and vomiting.

The dose of Ondansetron Aristo is determined by the prescribing clinician according to the indication, patient age, weight, renal function and other clinical factors. The prescriber sets the exact strength, frequency and duration of therapy.

Ondansetron is classified as pregnancy category B in many regions, indicating that animal studies have not shown risk, but adequate human data are limited. It should be used in pregnancy only when the potential benefit justifies any possible risk. Small amounts are excreted in breast milk; breastfeeding decisions should be made with a health‑care provider.

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 (including any cold‑chain needs) and required import documentation.

Ondansetron belongs to the 5‑HT3 antagonist class, which is generally more effective for acute chemotherapy‑induced nausea than dopamine antagonists such as metoclopramide. It has a lower risk of extrapyramidal side effects but requires monitoring for QT‑interval prolongation, a consideration less prominent with some alternative agents.

Store Ondansetron Aristo at or below 25 °C in its original packaging, protecting it from moisture, heat and direct sunlight. Do not store in a location where temperature exceeds the recommended range, as stability may be compromised.

Ondansetron Aristo is supplied as an oral tablet that is swallowed whole with water. It may also be given intravenously or as an oral solution in clinical settings, but the tablet form is intended for oral administration as directed by a health‑care professional.

The most serious risks include cardiac arrhythmias such as QT‑interval prolongation, severe allergic reactions (anaphylaxis), and rare cases of serotonin syndrome when combined with other serotonergic drugs. Patients should be monitored for these events, especially if they have pre‑existing heart conditions or are taking interacting medications.

Ondansetron should be avoided in patients with known hypersensitivity to ondansetron or any component of the formulation, and in individuals with a history of congenital long‑QT syndrome or uncontrolled electrolyte abnormalities that predispose to arrhythmia. Clinicians must evaluate each patient’s medical history before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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