Doxycycline vs Simvastatin
## Doxycycline vs Simvastatin: Overview
This comparison examines the pharmacological differences between **Doxycycline** and **Simvastatin**.
## Mechanism of Action
**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.
**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.
## Pharmacokinetics
**Half-life**: Doxycycline — 18-22 hours; Simvastatin — 2 hours.
## Chemical Properties
**Molecular Formula**: Doxycycline — C22H24N2O8; Simvastatin — C25H38O5.
**Molecular Weight**: Doxycycline — 444.4350 g/mol; Simvastatin — 418.5700 g/mol.
**Type**: Doxycycline — Small molecule; Simvastatin — Small molecule.