Onfast Tablets Description
Onfast Tablet is used to control nausea and vomiting. It contains ondansetron, and it belongs to a class of antiemetic medicines. It works by blocking the action of the natural hormone Serotonin, whi
ch causes nausea and vomiting. Onfast Tablet should not be used by pregnant women and breastfeeding mothers. It should be consumed in a dose and duration prescribed by your doctor.
Uses of Onfast Tablets
Contraindications of Onfast Tablets
- If you are allergic to ondansetron or any of the other ingredients of Onfast Tablet.
- If you are consuming a medicine called Apomorphine, which is used to treat the loss of muscle control and muscle stiffness in Parkinson's disease.
Side effects of Onfast Tablets
- Low blood pressure
- Sensation of warmth
Precautions and Warnings of Onfast Tablets
Other General Warnings
- You have any liver problems.
- You are experiencing a condition of salt imbalance in your blood, dehydration or you are going through fluid loss.
- You are allergic to medicines that are similar like Granisetron or Palonosetron.
- You are experiencing severe constipation or have a blockage in your stomach as this medicine can affect the food transit time through the digestive tract.
- You had or have heart problems like heart failure or irregular heartbeats.
Mode of Action of Onfast Tablets
How Does It Work?
Directions for Use of Onfast Tablets
- Take this medicine as a whole with a sufficient amount of water, with or without food.
- Do not consume it more than the prescribed medicine and for a longer duration.
Interactions of Onfast Tablets
Interactions with other medicines
- Some medicines can affect the way Onfast Tablet works or this medicine itself can reduce the effectiveness of other medicines taken at the same time.
- Inform your doctor about all the medicines, supplements or herbals you are currently taking or might take to avoid any possible interaction.
- Be careful if you are taking medicine like Amiodarone for uneven heartbeats or Arrhythmias.
- You may experience irregular heart rhythm if you take medicines like Doxorubicin, Trastuzumab, antihypertensive medicine such as Atenolol or Timolol, antimalarial medicine such as Halofantrine, antibiotic medicine like Erythromycin and antifungal medicine like Ketoconazole....
- You may experience low blood pressure and unconsciousness if you take Onfast Tablet along with Apomorphine. Hence, these medicines should not be used together.
- Medicines used to relieve pain such as Tramadol may not work when taken along with Onfast Tablet.
- You may experience serotonin syndrome (symptoms like high body temperature, irritation, shakiness, sweating, widened pupils and diarrhoea), including abnormal mental state with medicines used to treat psychiatric illness such as Citalopram or Sertraline....
- Other medicines like Phenytoin, Carbamazepine and Rifampicin may affect the action of Onfast Tablet.
Storage and disposal of Onfast Tablets
- Store Onfast Tablet in the original packaging.
- Keep the medicine out of reach from children and pets.
- Do not flush unused or expired medicine in the toilet or pour them into the drain.
Dosage of Onfast Tablets
Missed a Dose
Frequently Asked Questions (FAQs)
Q: Can Onfast Tablet be given during pregnancy?
- No, it should not be given to a pregnant woman, especially in the first three months of pregnancy.
Q: Is Onfast Tablet useful for motion sickness?
Q: What is Onfast Tablet used for?
Q: What should I discuss with my healthcare expert before taking Onfast Tablet?
- Inform your doctor about your detailed medical & surgical history.
- Inform your doctor if you have liver or stomach disease.
- Inform your doctor if you are pregnant, breastfeeding or planning to have a baby.
Q: Is Onfast Tablet sedative?
- Ondansetron 4 mg film-coated tablets - Summary of Product Characteristics (SmPC) - (emc) [Internet]. Medicines.org.uk. 2021 [cited 26 April 2021]
- Ondansetron 4 mg film-coated tablets - Patient Information Leaflet (PIL) - (emc) [Internet]. Medicines.org.uk. 2021 [cited 26 April 2021]
- CDSCO [Internet]. Cdscoonline.gov.in. 2021 [cited 26 April 2021]