Acyclovir vs Allopurinol
## Acyclovir vs Allopurinol: Overview
This comparison examines the pharmacological differences between **Acyclovir** and **Allopurinol**.
## Mechanism of Action
**Acyclovir**: Guanosine analogue inhibiting viral DNA polymerase.
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
## Pharmacokinetics
**Half-life**: Acyclovir — 2.5-3.3 hours; Allopurinol — 1-2 hours.
## Chemical Properties
**Molecular Formula**: Acyclovir — C8H11N5O3; Allopurinol — C5H4N4O.
**Molecular Weight**: Acyclovir — 225.2050 g/mol; Allopurinol — 136.1120 g/mol.
**Type**: Acyclovir — Small molecule; Allopurinol — Small molecule.