Hi My Daughter Aged 10 Yes And Weighing Around 37

Posted on Tue, 3 Dec 2019

Question: Hi my daughter aged 10 yes and weighing around 37 kg ate something in school and has vomited around 4 times since the last 4 hrs and also has loose motions extremely watery..can I give her ondem and if so what dosage

Answered by Dr. Dr. Pradeep Kumar Jain (58 minutes later)

Brief Answer:
Dose of ondansetron for this weight and age will be 4 mg

Detailed Answer:
Hi,
Thanks for being on Ask A Doctor forum,
I have gone through the query and do understand your concern.

Ondem contains ondansetron which helps in controlling vomiting and the usual dose is 0.1-0.2 mg/kg. It can be given at an interval of 4-12 hours depending on the severity.
For this age and weight, the dose will be 4 mg.
In case of vomiting and loose motion, its very important to control vomiting to avoid dehydration by oral fluid (ORS) supplementation.

If vomiting continues even after ondem dose, please take her to an emergency immediately as she may need injectable ondem or other anti-emetic. Give plenty of fluids to avoid dehydration.

I hope this helps.
Please let me know if you have any more questions.
Wishing for your child's good health.
Regards

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Above answer was peer-reviewed by : Dr. Arnab Banerjee