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biological

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Zofran

Zofran Zofran is ondansetron hydrochloride, a drug that blocks serotonin 5-HT3 receptors.

Zofran is ondansetron hydrochloride, a drug that blocks serotonin 5-HT3 receptors. It is used to reduce nausea and vomiting, including those caused by chemotherapy or radiotherapy, by acting in the gut and in brain areas involved in triggering vomiting.