Ondansetron Tablets

Designed to alleviate nausea and vomiting to support patient comfort.

Strengths: 4 · 8mg

Medicine details

Alternative names

Zofran

Therapeutic class

5-HT3 Receptor Antagonist

Pharmacological class

5-HT3 Antagonist

Contraindications

hypersensitivity to ondansetron; concurrent use of apomorphine

Minor side effects

headache; constipation; warmth sensation

Moderate side effects

dizziness; flushing; elevated liver enzymes

Dosage forms

Film-coated tablet

Administration route

Oral use

Patient summary

Designed to alleviate nausea and vomiting to support patient comfort.

Prescription status

POM

Manufacturer

Novartis

Onset Time

30–60 minutes

Duration

8–12 hours

Storage instructions

Keep in original packaging below 30°C.

Drug interactions

tramadol; phenytoin; rifampicin

Age restrictions

Paediatric dosing requires specific calculation.

Precautions and warnings

monitor cardiac rhythm in prone patients; caution in hepatic impairment; avoid in patients with congenital long QT syndrome

Serious side effects

arrhythmia — requires immediate medical attention; anaphylaxis — requires immediate medical attention

Mechanism of action

Ondansetron acts as a selective 5-HT3 receptor antagonist. It blocks serotonin receptors both peripherally on vagal nerve terminals and centrally in the chemoreceptor trigger zone of the area postrema, inhibiting the emetic reflex.

Pregnancy and breastfeeding

Pregnancy: Use only if the benefit justifies potential risks. Breastfeeding: Breastfeeding is not recommended during therapy.

Ondansetron Tablets

Designed to alleviate nausea and vomiting to support patient comfort.

Editorial Notes

  • Active ingredient(s): Ondansetron
  • Listed indication(s): Nausea and Vomiting

Usually available as

  • 90 tablets - 4 mg1223-4-mg-14565
  • 60 tablets - 8 mg1223-8-mg-14570