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 answer • 3 doctors weighed in

Dr. Venkata Valluryanswered

Pediatrics 45 years experience

Zofran (ondansetron): this medication prevents nausea which then controls vomiting

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Dr. Alan Ali

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Sumatriptan injections for cluster headaches, does that interact with Zofran (ondansetron)? & does sumatriptan also have the ability to prevent nausea and vomiting?

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A 38-year-old female asked:

Can gastritis cause bad stomach pain, severe nausea & vomitting? Unable to keep food down x2 we on Q6hr Zofran (ondansetron) & Ativan. EGD today showed gastritis

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A 29-year-old female asked:

My son and husband both came down with a stomach bug. I am starting to feel bad myself. Could I potentially avoid vomiting altogether (if I am indeed infected) if I take zofran while the nausea and stomach upset last?

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A 20-year-old female asked:

Curious how long after swallowing a Zofran 4mg or 8mg pill does it have the effect of vomit prevention if taken at the onset of nausea caused by IBS?

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A 23-year-old male asked:

Can Ativan stop vomiting from Stomach virus? I have serious heart rhythm disorder so intravenous Zofran is forbidden for me as is phenergan??

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Last updated Apr 1, 2015

Found in:

Virus›Nausea›Stomach flu (viral gastroenteritis)

People also asked

How often should Zofran (ondansetron) 8mg be taken for stomach virus (meaning how long does it ACTUALLY prevent vomiting for).

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5"1, 97lb female how much Zofran (ondansetron) should be taken at the onset of a stomach virus to prevent vomiting?nausea not as imp main goals to prevent vomiting

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Stomach pain and vomited 3x 3 days ago. Dr. said virus-got IV fluids & Zofran (ondansetron). Still off and on pain (gas?) and nausea when moving much today. Normal?

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