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  3. Onfast 2mg Tablet

Onfast 2mg Tablet, Pack of 1 Tablet
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Composition :

ONDANSETRON-2MG

Manufacturer/Marketer :

Lancer Health Care Pvt Ltd

Consume Type :

ORAL

Return Policy :

Not Returnable

About Onfast 2mg Tablet

Onfast 2mg Tablet is an antiemetic medicine. It is used to prevent nausea and vomiting associated with moderately emetogenic cancer chemotherapy and radiotherapy in children. It is also used to treat nausea and vomiting caused by stomach problems and surgery. Nausea is an uneasy feeling in which a person feels an urge to vomit, while vomiting is the natural response to the body's forceful discharge of the stomach contents.

Onfast 2mg Tablet contains 'Ondanestron' that belongs to serotonin 5-HT3 receptor antagonist. It works by blocking the action of a chemical called serotonin in the body, which is responsible for nausea and vomiting. As a result, Onfast 2mg Tablet prevents the sensation of nausea and vomiting caused by cancer chemotherapy.

Onfast 2mg Tablet may cause certain side effects in your child, such as feeling of warmth, headache, diarrhoea, and stomach pain. These side effects generally resolve over time. However, if it does not resolve, stop giving this medicine to your child and contact the paediatrician. Do not give more than the prescribed dose of Onfast 2mg Tablet to the child. Onfast 2mg Tablet can be given with or without food. Your paediatrician will decide the dose of the medicine.

Onfast 2mg Tablet is intended for paediatric use only. Avoid giving Onfast 2mg Tablet to your child if she/he is allergic to it. Keep your doctor informed about your child’s health condition, including his current medications and medical history, to rule out any side effects/interactions. Before administration, inform your child’s doctor if your child has liver and kidney problems.

Uses of Onfast 2mg Tablet

Onfast 2mg Tablet is used in the prevention of Nausea and Vomiting. The detailed uses of Onfast 2mg Tablet are as follows:<br/>•Postoperative Nausea and Vomiting Relief: Onfast 2mg Tablet is commonly used to alleviate nausea and vomiting experienced by patients after surgical procedures, often caused by anesthesia.<br/>•Supportive Care in Palliative Settings: Onfast 2mg Tablet provides relief for nausea and vomiting in palliative care patients, helping to improve comfort amidst challenges from underlying conditions or treatment side effects.<br/>

Directions for Use

• Onfast 2mg Tablet can be administered with or without food as directed by the doctor.• Follow your doctor's instructions on the dosage and timing of this medication to ensure safety.• Administer the prescribed dose to the child using the measuring cup/dosing syringe.• Shake well before use.

Medicinal Benefits

Onfast 2mg Tablet contains 'Ondanestron' that belongs to serotonin 5-HT3 receptor antagonist. It works by blocking the action of a chemical called serotonin in the body, which is responsible for nausea and vomiting. As a result, Onfast 2mg Tablet prevents the sensation of nausea and vomiting caused by cancer chemotherapy.

How Onfast 2mg Tablet Works

Onfast 2mg Tablet contains 'Ondanestron' that belongs to serotonin 5-HT3 receptor antagonist. It works by blocking the action of a chemical called serotonin in the body, which is responsible for nausea and vomiting. As a result, Onfast 2mg Tablet prevents the sensation of nausea and vomiting caused by cancer chemotherapy.

Storage

Store in a cool and dry place away from sunlight

What if I have taken an overdose of Onfast 2mg Tablet

Please do not exceed the recommended dose, as it might cause an overdose. Signs and symptoms of an overdose of Onfast 2mg Tablet may include constipation, dizziness or lightheadedness, fainting, irregular heartbeat, and sudden loss of vision for a short time. Seek immediate medical attention if you observe any symptoms or think you have taken too much. Do this even if there are no signs of discomfort or poisoning.

Drug Warnings

Avoid giving Onfast 2mg Tablet to your child if he/she is allergic to it. Keep your doctor informed about your child’s health condition, including his current medications and medical history, to rule out any side effects/interactions. Before administration, inform your doctor if your child has liver and kidney disease. This medicine is intended for only the paediatric population. Hence, it is not recommended for use in special populations (pregnant and breastfeeding mothers) and adults.

Diet & Lifestyle Advise

  • Certain food items/medicines are known to cause nausea/vomiting to your child.
  • Make your child drink more fluids to avoid dehydration.
  • Providing your child with a healthy diet that includes lots of fruits and vegetables, nuts, and low-fat dairy products will help keep your child in good health and avoid chances of nausea and vomiting. 
  • Avoid giving greasy or oily foods to your child, as this food triggers nausea and vomiting.

Habit Forming

No

Therapeutic Class

ANTIEMETICS

Onfast 2mg Tablet Substitute

Substitutes safety advice

Product Substitutes

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Alcohol

Not applicable

-

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Pregnancy

Not applicable

-

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Breast Feeding

Not applicable

-

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Driving

Not applicable

-

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Liver

Caution

Please consult your doctor if your child has a liver impairment or if you have any concerns regarding this. Your paediatrician will weigh the benefits and risks before prescribing Onfast 2mg Tablet to your child.

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Kidney

Caution

Please consult your doctor if your child has a kidney impairment or if you have any concerns regarding this. Your paediatrician will weigh the benefits and risks before prescribing Onfast 2mg Tablet to your child.

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Children

Safe if prescribed

Onfast 2mg Tablet is safe for children above 4 years of age if prescribed by the doctor. The dose of the medicine will be decided by your paediatrician. Do not give more than the recommended dose to your child.

Have a query?

FAQs

Onfast 2mg Tablet is used to treat vomiting.

Onfast 2mg Tablet contains Ondanestron; that belongs to serotonin 5-HT3 receptor antagonist. It works by blocking the action of a chemical called serotonin in the body which is responsible for causing nausea and vomiting.

Use Onfast 2mg Tablet for as long as your paediatrician suggested.

Country of origin

India
Other Info - ON50348

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Author Details

Veda MaddalaDoctor badge

Reviewed By

Veda Maddala

M Pharmacy

Last Updated

Jul 18, 2025 | 7:04 AM IST

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Reference

  1. https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/020103s035_020605s019_020781s019lbl.pdf
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