Product introduction
Ondem MD 4 is a mouth-dissolving tablet containing ondansetron 4 mg, an anti-sickness medicine. Doctors prescribe it to stop nausea and vomiting, particularly when these are brought on by surgery or cancer treatment.
Storage: Store below 30°C, away from moisture and out of the reach of children.
Uses of Ondem MD 4 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 4 Tablet
It quickly settles nausea and reduces repeated vomiting, helping people keep fluids and food down. Because the tablet dissolves on the tongue, it is handy when swallowing a regular tablet is difficult.
Side effects of Ondem MD 4 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 4 Tablet
Place the tablet on the tongue with dry hands and let it dissolve; no water is needed. Take it at the time and dose your doctor has advised, which is often shortly before treatment that may cause vomiting.
How Ondem MD 4 Tablet works
Ondansetron is a selective 5-HT3 receptor antagonist. It blocks serotonin from acting on the vomiting centre in the brain and on nerves in the gut, which interrupts the signals that trigger nausea and vomiting.
Substitutes for Ondem MD 4 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 interact harmfully with this medicine, though it can worsen nausea.
It is generally not recommended because animal studies suggest a risk to the baby, but a doctor may prescribe it if the benefit outweighs the risk.
Use with caution; your doctor may advise pausing breastfeeding until the course is over and the medicine has cleared.
It usually does not affect the ability to drive.
Use with caution in severe kidney disease, as the dose may need adjusting.
Use with caution in liver disease, as a dose adjustment may be needed.
Quick tips
- Let the tablet dissolve on your tongue and do not chew or swallow it whole.
- Handle it with dry hands, since the tablet softens quickly in moisture.
- Do not exceed the dose your doctor has prescribed.
- Tell your doctor if vomiting continues or you cannot keep fluids down.
Fact box
| Chemical class | Carbazoles |
|---|---|
| Habit forming | No |
| Therapeutic class | Gastro-intestinal |
| Action class | Serotonin 5-HT3 receptor antagonists |
Frequently asked questions
What is Ondem MD 4 used for?
It treats and prevents nausea and vomiting, including that caused by surgery, chemotherapy and radiotherapy.
Does it help with motion sickness?
It has little effect on motion sickness, so it is not the usual choice for travel sickness.
Do I need water to take it?
No. The tablet dissolves on the tongue and can be taken without water.
Can it cause constipation?
Yes, constipation is a possible side effect; drink fluids and speak to your doctor if it troubles you.