Ondansetron vs Pravastatin
## Ondansetron vs Pravastatin: Overview
This comparison examines the pharmacological differences between **Ondansetron** and **Pravastatin**.
## Mechanism of Action
**Ondansetron**: Selective 5-HT3 receptor antagonist.
**Pravastatin**: Competitive inhibitor of HMG-CoA reductase.
## Pharmacokinetics
**Half-life**: Ondansetron — 3-5 hours; Pravastatin — 1.8 hours.
## Chemical Properties
**Molecular Formula**: Ondansetron — C18H19N3O; Pravastatin — C23H36O7.
**Molecular Weight**: Ondansetron — 293.3660 g/mol; Pravastatin — 424.5280 g/mol.
**Type**: Ondansetron — Small molecule; Pravastatin — Small molecule.