Acyclovir vs Loratadine

## Acyclovir vs Loratadine: Overview

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

## Mechanism of Action

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

**Loratadine**: Second-generation H1 antihistamine with minimal CNS effects.

## Pharmacokinetics

**Half-life**: Acyclovir — 2.5-3.3 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Acyclovir — C8H11N5O3; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Acyclovir — 225.2050 g/mol; Loratadine — 382.8800 g/mol.

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