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Pittsburgh, PA
A 21-year-old female asked:

Is it true ondansetron causes drowsyness. what is the side effects?

1 doctor answer3 doctors weighed in
Dr. Bryan Treacy
Gynecology 35 years experience
Yes: Drowsiness is reported with this medication. The most common side effects are transient headache and dizziness. Constipation and diarrhea are also reported. Some patients experience anxiety. All of these side effects are reported with almost any medication.

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Last updated Dec 31, 2014
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