Quick facts

  • Nausea & vomiting
  • Vomiting due to chemotherapy
  • Vomiting due to radiotherapy
  • Post-operative nausea

Onset Tablet 8mg

by Pharmadic

Onset is an antiemetic indicated for the prevention and treatment of nausea and vomiting.

Rs. 450
Rs. 450

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More info on this medicine

Table of contents

Onset Tablet Uses

Onset contains Ondansetron, which is an antiemetic used for the treatment and prevention of nausea and vomiting induced by chemotherapy and radiation therapy. It is also effective in reducing nausea after surgery (post-operative nausea).

Onset Tablet 8mg formula

  • Ondansetron

Available forms

  • Tablets
  • Injection

Risks and warnings

You should know the risks and warnings of Onset to prevent its misuse.

There are some specific circumstances under which the use of certain medications is contraindicated or considered dangerous. So when taking any medicine it's always a good practice to familiarize yourself with its risks and warnings.

The risks and warnings associated with Onset are:

  • Pregnancy:

Consult your doctor before taking this medicine if you are pregnant.

  • Breastfeeding:

You should consult your doctor before using this medicine during lactation.

  • Hypersensitivity:

Patients allergic to Ondansetron or any of the ingredients in Onset are advised not to use it.

  • Alcohol:

Do not consume alcohol when taking this medicine.

  • Driving:

If you are taking Onset you should avoid driving as it can lead to increased drowsiness and dizziness thereby affecting your ability to drive.

How to use Onset Tablet 8mg?

  • This tablet should not be chewed or swallowed
  • Place the tablet on the tip of the tongue till it dissolves
  • Swallow it with saliva only when fully dissolved
  • You do not need to take this tablet with water
  • It can be taken with or without food

Onset Side Effects

The common side effects of Onset are:

  • Headache
  • Drowsiness
  • Constipation
  • Chest pain
  • Dizziness

Drug Interactions

Onset can interact with the following drugs

  • Amiodarone
  • Dofetilide
  • Macrolide antibiotics like erythromycin
  • Pimozide
  • Procainamide
  • Quinidine

Storage Conditions

  • Store the medicine at room temperature
  • Keep out of reach and sight of children
  • Protect it from sunlight and moisture

Frequently Asked Questions

What is the price of Onset Tablet 8mg in Pakistan?

The Onset Tablet 8mg price in Pakistan is Rs. 450

What is Onset Tablet 8mg used for?

Onset Tablet 8mg is used in the following conditions:
  • Nausea & vomiting
  • Vomiting due to chemotherapy
  • Vomiting due to radiotherapy
  • Post-operative nausea

What is Onset Tablet 8mg composed of?

Onset Tablet 8mg is composed of:
  • Ondansetron

Do you need a prescription to buy Onset Tablet 8mg?

To buy Onset Tablet 8mg you must have a prescription signed by your doctor.


oladoc aspires to publish the most authentic and error-free content regarding medicines and other healthcare products. Our team of experts thoroughly reviews the content from time to time to ensure it is medically accurate and up to date. However, any information provided on the oladoc website is not intended to be used as a substitute for advice from a healthcare professional. The content mentioned here only serves to provide basic information and may not encompass all possible side effects, precautions, risks, warnings, or drug interactions. We encourage you to always consult your doctor for medical advice.