Erlotinib vs Hydrochlorothiazide

## Erlotinib vs Hydrochlorothiazide: Overview

This comparison examines the pharmacological differences between **Erlotinib** and **Hydrochlorothiazide**.

## Mechanism of Action

**Erlotinib**: Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

**Hydrochlorothiazide**: Inhibits Na+/Cl- cotransporter in distal convoluted tubule.

## Pharmacokinetics

**Half-life**: Erlotinib — 36 hours; Hydrochlorothiazide — 6-15 hours.

## Chemical Properties

**Molecular Formula**: Erlotinib — C22H23N3O4; Hydrochlorothiazide — C7H8ClN3O4S2.

**Molecular Weight**: Erlotinib — 393.4380 g/mol; Hydrochlorothiazide — 297.7400 g/mol.

**Type**: Erlotinib — Small molecule; Hydrochlorothiazide — Small molecule.