Onzil 2mg Injection 2.0 ml in 1 vial

Last Updated: April 13th, 2026

Onzil 2mg Injection is a product of Lifekyor Pharmaceuticals

Composition: Ondansetron (2mg/ml)

Pack of 2 ml

₹ 10.69

Note: MRP can vary depending up on batch!

*MRP inclusive of all taxes

All Details About Onzil 2mg Injection

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about Onzil 2mg Injection

Description:

Onzil 2mg Injection is an antiemetic medicine commonly used to control nausea and vomiting due to certain medical conditions like stomach upset. It is also used to prevent nausea and vomiting caused by any surgery, cancer drug therapy, or radiotherapy.

Onzil 2mg Injection is given under the supervision of a doctor and may be used alone or with other medications. Your doctor will give you the appropriate dose depending on what you are taking it for. You must keep having the injections until your doctor decides it is safe to stop them. After this, your doctor may prescribe tablets instead of the injections.

The most common side effects of taking this medicine include injection site pain, headache, and constipation. These symptoms should disappear when you stop taking the medicine. But if these side effects bother you or do not go away, consult your doctor, who may be able to suggest ways of preventing or reducing them.

Earlier taking this medicine, tell your doctor if you have heart or liver problems or a blockage in your stomach or intestines. Also, tell your doctor about other drugs you are using, especially medicines to treat epilepsy, heart problems, cancer, and depression. These may affect or be affected by this medicine. If you are pregnant or breastfeeding, ask for advice from your doctor.

Uses:

Directions For Use:

Your doctor or nurse will give you this medicine. Compassionately do not self administer.

Side Effects:

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Ordinary side effects of Onzil

Diarrhea
Chubbyigue
Headache
Injection site pain
Constipation

Warning & Precautions:

Alcohol

SAFE

Consuming alcohol with Onzil 2mg Injection does not usually cause any harmful side effects.

Pregnancy

SAFE IF PRESCRIBED

Onzil 2mg Injection is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

SAFE IF PRESCRIBED

Onzil 2mg Injection may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Driving

SAFE

Onzil 2mg Injection does not usually affect your ability to drive.

Kidney

SAFE IF PRESCRIBED

Onzil 2mg Injection is safe to use in patients with kidney disease. No dose adjustment is recommended.
However, inform your doctor if you have an underlying kidney disease. Limited information is available in patients taking this medicine for more than one day.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Onzil 2mg Injection in patients with liver disease.

FAQs:

How quickly does Onzil 2mg Injection work?

Onzil 2mg Injection starts working within half an hour to 2 hours. It dissolves rapidly into the bloodstream and starts showing its effect.

What are the side effects of Onzil 2mg Injection?

The most common side effects of Onzil 2mg Injection are constipation, diarrhea, fatigue, and headache. However, these are usually not bothersome and resolve on their own after some time. Consult your doctor if these persist or worry you.

Is Onzil 2mg Injection a steroid?

No, Onzil 2mg Injection is an antiemetic and not a steroid. Onzil 2mg Injection is a selective 5-HT3 receptor antagonist. It is prescribed for the prevention and treatment of nausea and vomiting, which are commonly observed after surgery or due to cancer chemotherapy.

Does Onzil 2mg Injection work for seasickness?

No, Onzil 2mg Injection does not work for seasickness. This is because Onzil 2mg Injection has very little effect on the nausea associated with motion sickness.

Written by:
Dr. T. Sharmila Krishna
M.B.B.S., MD (Biochemistry)

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

Disclaimer:

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