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Alkem Lab - Tablet - 15 S
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Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.
This medicine needs a prescription.
You can pay now and add the prescription afterwards. We pack your order only after a pharmacist verifies it.
A doctor decides whether a prescription can be issued. If it is not issued, the prescription items in your order are cancelled and refunded. You choose this at checkout.
Ondem Sy 30 ml is used for nausea Vomiting.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Nausea Vomiting
Ondem Injection is an antiemetic medication. It works by blocking the action of a chemical messenger (serotonin) in the brain that may cause nausea and vomiting during anti-cancer treatment (chemotherapy) or after surgery.
Your doctor or nurse will give you this medicine. Kindly do not self administer.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
If you miss a dose of Ondem Injection, contact your doctor as soon as possible. They will advise you on how to proceed, which may include rescheduling the missed dose.
Taking more Ondem Sy than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Most side effects of Ondem Sy are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Pregnancy CONSULT YOUR DOCTOR |
|---|---|
| Breastfeeding | Breast feeding UNSAFE |
| Alcohol | Alcohol SAFE |
| Driving | Driving SAFE |
| Kidney | Kidney CAUTION |
| Liver | Liver CAUTION |
| Habit forming | No |
Tell your doctor or pharmacist about every medicine you take, including over-the-counter products, vitamins and herbal or ayurvedic preparations, before starting Ondem Sy. Some combinations can change how Ondem Sy works or raise the chance of side effects.
Store Ondem Sy below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the pack tightly closed and out of the reach of children. Do not use it after the expiry date printed on the pack.
Ondem Injection is given as an injection into the veins or as a drip under the supervision of a doctor. Avoid heavy meals and try eating small, nourishing snacks throughout the day. Also, sip water regularly to help avoid dehydration. It may cause an application site reaction like redness, swelling, and pain. Consult with your doctor if it bothers you.

Alkem Lab - Tablet - 15 S
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The information on Ondem Sy 30 ml is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.