Erlotinib vs Fluconazole

## Erlotinib vs Fluconazole: Overview

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

## Mechanism of Action

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

**Fluconazole**: Inhibits fungal CYP51 (lanosterol 14-alpha-demethylase).

## Pharmacokinetics

**Half-life**: Erlotinib — 36 hours; Fluconazole — 30 hours.

## Chemical Properties

**Molecular Formula**: Erlotinib — C22H23N3O4; Fluconazole — C13H12F2N6O.

**Molecular Weight**: Erlotinib — 393.4380 g/mol; Fluconazole — 306.2710 g/mol.

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