Acyclovir vs Doxycycline

## Acyclovir vs Doxycycline: Overview

This comparison examines the pharmacological differences between **Acyclovir** and **Doxycycline**.

## Mechanism of Action

**Acyclovir**: Guanosine analogue inhibiting viral DNA polymerase.

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

## Pharmacokinetics

**Half-life**: Acyclovir — 2.5-3.3 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Acyclovir — C8H11N5O3; Doxycycline — C22H24N2O8.

**Molecular Weight**: Acyclovir — 225.2050 g/mol; Doxycycline — 444.4350 g/mol.

**Type**: Acyclovir — Small molecule; Doxycycline — Small molecule.