Drug reference

granisetron

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; granisetron binds to 5-HT3 receptors both in the peripheral and central nervous system with primary effects in GI tract.

Common side effects

  • Constipation
  • Sedation
  • Somnolence
  • Headache
  • Diarrhea

Contraindications

  • Hypersensitivity to drug or excipients

Known interactions (3)

Related conditions

Frequently asked questions

What drug class is granisetron?

granisetron belongs to: Gastrointestinal Tract.

How does granisetron work?

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

What are the common side effects of granisetron?

Constipation, Sedation, Somnolence, Headache, Diarrhea

Which drugs interact with granisetron?

dronedarone, pimozide, thioridazine

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