Product introduction
Ondem MD 8 is a dispersible tablet containing ondansetron 8 mg, a higher-strength anti-sickness medicine. It is prescribed to control and prevent nausea and vomiting, especially after surgery or during cancer treatment.
Storage: Store below 25°C, away from moisture and out of the reach of children.
Uses of Ondem MD 8 Tablet
- Treatment and prevention of nausea and vomiting.
- Nausea and vomiting after surgery.
- Nausea and vomiting from chemotherapy.
- Nausea and vomiting from radiotherapy.
Benefits of Ondem MD 8 Tablet
It helps stop persistent nausea and vomiting so that people can eat, drink and recover more comfortably. The dispersible form dissolves easily, making it convenient for those who find swallowing tablets hard.
Side effects of Ondem MD 8 Tablet
Most side effects do not require medical attention and go away as your body adjusts. Consult your doctor if they persist.
- Tiredness.
- Headache.
- Diarrhoea.
- Constipation.
- Low blood oxygen (hypoxia).
- General discomfort.
How to use Ondem MD 8 Tablet
Place the tablet on the tongue or let it disperse as directed, and take it at the time and dose your doctor has prescribed. It is often given before chemotherapy, radiotherapy or surgery, so follow the timing your doctor gives.
How Ondem MD 8 Tablet works
Ondansetron is a selective 5-HT3 receptor antagonist that blocks the action of serotonin in the brain's vomiting centre and in the gut. This cuts off the signals that set off nausea and vomiting.
Substitutes for Ondem MD 8 Tablet
No other medicine with the same composition is listed in our catalogue yet. Message us on WhatsApp and our pharmacist will help you find a suitable alternative.
Safety advice
Alcohol does not usually cause harmful interactions with this medicine.
It is generally not recommended because animal studies show a possible risk to the baby, but a doctor may prescribe it if the benefits outweigh the risks.
Use with caution; breastfeeding may need to be paused until treatment is complete and the medicine has cleared.
It usually does not affect the ability to drive.
Use with caution in severe kidney disease, as a dose adjustment may be needed.
Use with caution in liver disease, as a dose adjustment may be needed.
Quick tips
- Follow the timing advised by your doctor, as the tablet often works best when taken before the treatment that causes nausea.
- It usually begins to work within about 30 minutes to 2 hours.
- Do not take more than the prescribed dose.
- Let your doctor know if vomiting does not settle or you become dehydrated.
Fact box
| Chemical class | Carbazoles |
|---|---|
| Habit forming | No |
| Therapeutic class | Gastro-intestinal |
| Action class | Serotonin 5-HT3 receptor antagonists |
Frequently asked questions
How quickly does Ondem MD 8 act?
It generally starts working within about 30 minutes to 2 hours of taking it.
What is the difference from Ondem MD 4?
Both contain ondansetron, but this tablet has 8 mg while the other has 4 mg; your doctor chooses the strength that suits you.
Is it useful for motion sickness?
It has little effect on motion sickness.
Can I take it on an empty stomach?
Food is generally not a concern for this medicine; follow the instructions your doctor gives.