Doxycycline vs Loratadine

## Doxycycline vs Loratadine: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Loratadine — 382.8800 g/mol.

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