Drug reference

dolasetron

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; dolasetron binds to 5-HT3 receptors located on vagal neurons in GI tract, blocking signal to vomiting center in the brain, thus preventing N/V.

Common side effects

  • Dyspepsia
  • Drowsiness
  • Headache
  • Fatigue
  • Diarrhea

Contraindications

  • Hypersensitivity Coadministration with apomorphine; combination reported to cause profound hypotension and loss of consciousness IV administration for chemotherapy-induced nausea/vomiting (CINV) because of risk for QT, PR, and QRS prolongation

Related conditions

Frequently asked questions

What drug class is dolasetron?

dolasetron belongs to: Gastrointestinal Tract.

How does dolasetron work?

Selective 5-HT3 receptor antagonist; dolasetron binds to 5-HT3 receptors located on vagal neurons in GI tract, blocking signal to vomiting center in the brain, thus preventing N/V.

What are the common side effects of dolasetron?

Dyspepsia, Drowsiness, Headache, Fatigue, Diarrhea

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