U.S. doctors online nowAsk doctors free
Brooklyn, NY
A 18-year-old female asked:

If i wake up w/stomach virus &take zofran (ondansetron) right away before vomiting begins how long till zofran (ondansetron) effectively prevent vomiting?the nausea doesnt matter

1 doctor answer3 doctors weighed in
Dr. Venkata Vallury
Pediatrics 44 years experience
Zofran (ondansetron): this medication prevents nausea which then controls vomiting

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Apr 1, 2015


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.