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Questions and Answers
What is the therapeutic class of Ondansetron?
What is the therapeutic class of Ondansetron?
What is the pharmacologic class of Ondansetron?
What is the pharmacologic class of Ondansetron?
What is the expected pharmacologic action of Ondansetron?
What is the expected pharmacologic action of Ondansetron?
Blocks the effects of serotonin at 5-HT3 receptor sites located in vagal nerve terminals and the chemoreceptor trigger zone in CNS.
What is the therapeutic use of Ondansetron?
What is the therapeutic use of Ondansetron?
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What are some side/adverse effects of Ondansetron?
What are some side/adverse effects of Ondansetron?
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What is the correct medication administration route for Ondansetron?
What is the correct medication administration route for Ondansetron?
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What are the contraindications/precautions of Ondansetron?
What are the contraindications/precautions of Ondansetron?
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What are some nursing interventions for Ondansetron?
What are some nursing interventions for Ondansetron?
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What are some interactions of Ondansetron?
What are some interactions of Ondansetron?
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How can the effectiveness of Ondansetron be evaluated?
How can the effectiveness of Ondansetron be evaluated?
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What client education should be provided regarding Ondansetron?
What client education should be provided regarding Ondansetron?
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Study Notes
Ondansetron Overview
- Therapeutic class: antiemetics, used to prevent nausea and vomiting.
- Pharmacologic class: 5-HT3 antagonists, targeting serotonin receptors.
Pharmacologic Action
- Blocks serotonin effects at 5-HT3 receptor sites in vagal nerve terminals and the CNS chemoreceptor trigger zone.
Therapeutic Uses
- Reduces incidence and severity of nausea and vomiting post-chemotherapy and surgery.
Side/Adverse Effects
- Common: headache, dizziness, drowsiness, fatigue.
- Serious: TORSADE DE POINTES, constipation, diarrhea.
Medication Administration
- Oral administration: Use orally disintegrating tablets without removing from foil; place directly on the tongue to dissolve.
- IV administration: Administer undiluted.
Contraindications/Precautions
- Not for use in patients with hypersensitivity or phenylketonuria (due to aspartame).
- Avoid concurrent use with apomorphine.
- Caution in patients with hepatic impairment or undergoing abdominal surgery.
Nursing Interventions
- Assess for signs of nausea and vomiting.
- Monitor ECG in patients with electrolyte imbalances or heart failure.
Drug Interactions
- Caution when used with apomorphine, carbamazepine, phenytoin, and rifampin.
Evaluation of Effectiveness
- Effective in preventing nausea/vomiting from emetogenic cancer chemotherapy, radiation therapy, and postoperative scenarios.
Client Education
- Advise strict adherence to dosing instructions.
- Instruct to report any irregular heartbeat or involuntary movements of eyes, face, or limbs immediately.
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Description
Test your knowledge on Ondansetron with these flashcards. Explore its therapeutic and pharmacologic classes, expected actions, and therapeutic uses. Perfect for students and professionals looking to enhance their understanding of this important antiemetic drug.
