Ondansetron vs Phenytoin Sodium
## Ondansetron vs Phenytoin Sodium: Overview
This comparison examines the pharmacological differences between **Ondansetron** and **Phenytoin Sodium**.
## Mechanism of Action
**Ondansetron**: Selective 5-HT3 receptor antagonist.
## Pharmacokinetics
**Half-life**: Ondansetron — 3-5 hours; Phenytoin Sodium — N/A.
## Chemical Properties
**Molecular Formula**: Ondansetron — C18H19N3O; Phenytoin Sodium — N/A.
**Molecular Weight**: Ondansetron — 293.3660 g/mol; Phenytoin Sodium — N/A.
**Type**: Ondansetron — Small molecule; Phenytoin Sodium — Small molecule.