Acetaminophen vs Loratadine

## Acetaminophen vs Loratadine: Overview

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

## Mechanism of Action

**Acetaminophen**: Inhibits prostaglandin synthesis in the CNS and peripherally blocks pain impulse generation.

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

## Pharmacokinetics

**Half-life**: Acetaminophen — 1-4 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Loratadine — 382.8800 g/mol.

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