Dexamethasone vs Erlotinib

## Dexamethasone vs Erlotinib: Overview

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

## Mechanism of Action

**Dexamethasone**: Potent synthetic glucocorticoid.

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

## Pharmacokinetics

**Half-life**: Dexamethasone — 36-54 hours; Erlotinib — 36 hours.

## Chemical Properties

**Molecular Formula**: Dexamethasone — C22H29FO5; Erlotinib — C22H23N3O4.

**Molecular Weight**: Dexamethasone — 392.4610 g/mol; Erlotinib — 393.4380 g/mol.

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