The concomitant use of apomorphine with ondansetron is contraindicated based upon reports of profound hypotension and loss of consciousness.
Patients known to have hypersensitivity to ondansetron and to other selective 5-HT3 receptor antagonists should not take ZUPLENZ. Hypersensitivity reactions, including anaphylaxis and bronchospasm, have been reported. Rarely and predominantly with intravenous ondansetron, transient electrocardiographic changes, including QT interval prolongation, have occurred.
The use of ZUPLENZ in patients following abdominal surgery or in patients with chemotherapy-induced nausea and vomiting may mask a progressive ileus and/or gastric distension. ZUPLENZ does not stimulate gastric or intestinal peristalsis and should not be used instead of nasogastric suction.
The most common adverse drug reactions (≥5%) reported in clinical trials of patients receiving ondansetron for prevention of nausea and vomiting associated with cancer chemotherapy or radiotherapy were headache, malaise/fatigue, constipation, and diarrhea. For postoperative nausea and vomiting, headache occurred at a rate significantly different from placebo.
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