Ondansetron FAQ


What is Ondansetron used for?

Ondansetron is used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.

How does Ondansetron work?

Ondansetron works by blocking the action of serotonin, a natural substance in the body that can cause nausea and vomiting.

What are the common side effects of Ondansetron?

Common side effects may include headache, dizziness, constipation, or tiredness.

Is Ondansetron safe during pregnancy?

It is advised to consult a doctor before using Ondansetron during pregnancy.

Can I buy Ondansetron without a prescription?

Ondansetron is a prescription medication, and it is advised to use it only under medical supervision.

How should I take Ondansetron?

Follow the directions on your prescription label. Do not take Ondansetron in larger or smaller amounts or for longer than recommended.

How quickly does Ondansetron work?

Ondansetron usually starts working within 30 minutes.

Releated topics


Information provided by Dr. Nithya Priya Raju. Reviewed by Dr. Mohamed El Khouly