Ondem - Uses - Dosages - Side Effects - Precautions

Ondem: Frequently Asked Questions Answered

What is Ondem?

Ondem is an oral antiemetic medicine used to treat nausea and vomiting. It blocks the action of serotonin in the brain, responsible for nausea and vomiting. The medication is prescribed to treat and prevent feelings of nausea and vomiting induced by therapy and surgery. Ondem is a selective 5-HT 3 antagonist, and doctors recommend taking it after professional consultation. Further, it is a prescription drug, and its dosage strictly depends on the patient’s age, weight, and condition.

What Are the Uses of Ondem?

Ondem is used as an oral antiemetic drug. It contains ondansetron as an active ingredient. Ondansetron blocks serotonin, a natural hormone that causes nausea and vomiting.

  • It prevents and controls nausea and vomiting caused due to anti-cancer treatment associated with chemotherapy or radiotherapy.
  • It relieves symptoms of dizziness caused by nausea.
  • It prevents and treats nausea and vomiting induced by pre- and post-operative procedures.
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What Are the Side Effects of Ondem?

Ondem, if taken upon expert medical consultation, does not cause any significant side effects. Some common and mild side effects are as follows.

  • Headache.
  • Constipation.
  • Dizziness.
  • Drowsiness.
  • Tiredness.
  • A sensation of warmth or flushing.

If the patient is suffering from cardiovascular, liver, or kidney problems, it is strongly recommended to consult a medical professional before taking Ondem. It is because side effects may vary according to the patient’s condition and drug interactions.

What is Ondem

Uses of Ondem

Side effects of Ondem

S.no Product Name Dosage Form
1. Ondem MD Ondansetron 4mg Tablet
2. Ondem Ondansetron 2mg/5ml Syrup
3. Ondem Ondansetron 4mg Injection
4. Ondero Met Linagliptin 2.5mg+metformin hydrochloride 500mg Tablet
5. Ondamac MD Ondansetron 4mg Tablet


Frequently Asked Questions about Ondem

1. Is Ondem MD 4 Safe During Pregnancy?

Ondem MD 4 is not recommended during the first trimester (first three months) of pregnancy and for breastfeeding mothers. It blocks the natural hormone serotonin, and any serotonin inhibitor can cause congenital disorders (birth defects) in the fetus. In any necessary case, you are suggested to consult our experts and get a medical opinion.

2. How to Take Ondem MD 4?

It is suggested to strictly follow the doctor’s opinion and dosage prescribed. You are advised to take Ondem MD 4 orally with water. Do not crush or chew the tablet, but note that it can be taken with or without food. However, Ondem might cause a mild headache if taken on an empty stomach. Always take medicine exactly as directed by the doctor.

3. Can Ondem Be Given an Empty Stomach?

Ondem is an oral antiemetic that prevents and treats nausea and vomiting. The oral form of Ondem can be taken 15 minutes before the meal. Further, if you are taking it daily at regular intervals, doctors strongly advise following the prescribed instructions, dosage, and timing, based on your height, weight, age, and health.

4. When Should I Take Ondem?

Ondem is prescribed as a preventive medicine to prevent nausea and inhibit vomiting induced before or after surgery. It is an oral medicine that rapidly shows its effect in the bloodstream. Therefore, it should be taken exactly as prescribed by the doctor before surgery or anti-cancer treatment, ensuring accurate dose and duration.

5. What Is the Generic Name of Ondem?

Ondansetron is the active substance in the composition and is responsible for blocking chemicals in the brain that cause nausea and vomiting caused due to surgery, chemotherapy, or radiation treatment. It works as a selective blocker of the 5-HT 3 receptors and prevents nausea and vomiting.

6. Is Ondem Good for Diarrhea?

Ondem is oral antiemetic medicine to prevent nausea and vomiting after and before surgery and anti-cancer treatment. It is not prescribed to treat diarrhea; it counts as one of its side effects. We recommend consulting our expert medical professionals for appropriate suggestions about dosage, duration, and timing.

7. Does Ondem Make You Sleepy?

Ondem can make you feel tired, dizzy, or drowsy. Therefore, you should discuss the dosage and duration with your doctor. Avoid driving, heavy machinery usage, or traveling alone if you are on this medication, as it may induce sleepiness and tiredness and lead to accidents.

8. Does Ondem Syrup Stop Vomiting?

Patients should take Ondem syrup with or without meals with a glass of water. It prevents the sensation of nausea, vomiting, and motion sickness, and doctors suggest taking it 30 minutes before anti-cancer treatment and one hour before regular surgery. Consult and strictly follow the doctor’s advice regarding dose and precautions.

9. How Many Times Can We Take Ondem?

Ondem has a quick onset of action to treat nausea and vomiting. However, we recommended consulting an expert and getting a medical opinion about the exact dose, timing, and duration, as these factors depend upon your age, weight, and overall health.

10. Can Children Take Ondem?

Doctors do not recommend giving this medication to children below 5-years and elders above 75-years of age. Ondem is contraindicated if your child is allergic to similar medicines or suffering from any liver disease, Parkinson’s disease. Consult our medical experts if your child is suffering from constipation or irregular heartbeats.

Learn more about medicines you take or need to take from our expert medical consultants. Our services are available 24*7 for any emergencies, specialist advice, and medical opinions. Sign up or call to connect.



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      Disclaimer: The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not be treated as a replacement for physical medical consultation or advice. We do not guarantee the accuracy and the completeness of the information so provided. The absence of any information and/or warning to any drug shall not be considered and assumed as an implied assurance of the Company. We do not take any responsibility for the consequences arising out of the aforementioned information and strongly recommend you for a physical consultation in case of any queries or doubts.