Doxycycline vs Penicillin G

## Doxycycline vs Penicillin G: Overview

This comparison examines the pharmacological differences between **Doxycycline** and **Penicillin G**.

## Mechanism of Action

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Penicillin G — N/A.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Penicillin G — N/A.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Penicillin G — N/A.

**Type**: Doxycycline — Small molecule; Penicillin G — Small molecule.