Loratadine vs Pyrimethamine

## Loratadine vs Pyrimethamine: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Pyrimethamine — N/A.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Pyrimethamine — N/A.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Pyrimethamine — N/A.

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