Drug reference

palonosetron

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Gastrointestinal Tract (5-HT3 Antagonist)

Mechanism of action

Selective 5-HT3 receptor antagonist; palonosetron binds to 5-HT3 receptors both in peripheral and central nervous system with primary effects in GI tract.

Common side effects

  • Prolonged QT interval
  • Constipation
  • Dizziness
  • Anxiety

Contraindications

  • Hypersensitivity to drug, other selective 5-HT3 receptor antagonists (eg, granisetron), or excipients

Related conditions

Frequently asked questions

What drug class is palonosetron?

palonosetron belongs to: Gastrointestinal Tract.

How does palonosetron work?

Selective 5-HT3 receptor antagonist; palonosetron binds to 5-HT3 receptors both in peripheral and central nervous system with primary effects in GI tract.

What are the common side effects of palonosetron?

Prolonged QT interval, Constipation, Dizziness, Anxiety

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