General Overview
Ondansetron works by blocking the action of serotonin, a natural substance in the body that can trigger anxiety, nausea, and vomiting, particularly during cancer chemotherapy, radiation therapy, or surgery.
Medicine Information
Ondansetron
Ondansetron Hydrochloride
Prescription required
Antiemetic / Nausea
Medicine Safety Disclaimer
This information is for educational purposes only and should not be used for self-diagnosis or self-treatment. Do not start, stop, or change any medicine without consulting a qualified doctor or pharmacist. In case of overdose, severe allergic reaction, breathing difficulty, swelling of the face/lips, unconsciousness, or severe side effects, seek emergency medical help immediately.
Composition
Ondansetron Hydrochloride IP
Strength
4 mg / 8 mg
Medicine Type
Tablet / Orally Disintegrating Tablet / Injection
Brand Names
Zofer
Ondem
Emigo
Reported Uses
Used to prevent chemotherapy-induced, radiation-induced, and post-operative nausea and vomiting.
General Characteristics
Effective control of severe nausea and vomiting, allowing patients to retain fluids and nutrition.
General Mechanism of Action
Selective 5-HT3 receptor antagonist; blocks serotonin receptors both peripherally on vagal nerve terminals and centrally in the chemoreceptor trigger zone.
Storage Guidelines
Store below 30°C in a dry place. Protect from light.
General Educational Notes
Orally disintegrating tablets should be allowed to dissolve on the tongue; do not swallow whole with water.
Frequently Asked Questions
How long does it take for Ondansetron to work?
Ondansetron tablets usually begin working within 30 minutes to 2 hours.
Can Ondansetron cause constipation?
Yes, constipation is a common side effect of Ondansetron because it slows down bowel movements.