Ondansetron
Ondansetron
Ondansetron (pronounced: on-dan-se-tron) is a medication used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery. It is also effective for treating postoperative nausea and vomiting and for preventing nausea and vomiting associated with gastroenteritis. It is part of a class of medications called serotonin 5-HT3 receptor antagonists.
Etymology
The term "Ondansetron" is derived from the chemical name (RS)-1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one. The name is a combination of parts of this chemical name.
Usage
Ondansetron works by blocking the action of serotonin, a natural substance that may cause nausea and vomiting. It is usually taken 30 minutes before the start of chemotherapy, 1 to 2 hours before the start of radiation therapy, and 1 hour before surgery.
Related Terms
Side Effects
Common side effects of Ondansetron include headache, malaise, and constipation. Serious side effects include QT prolongation and severe allergic reaction.
See Also
External links
- Medical encyclopedia article on Ondansetron
- Wikipedia's article - Ondansetron
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