Fezol 2.5 mg Tablet, 1 stripCompositionEach film-coated tablet contains Letrozole USP 2.5 mg.PharmacologyLetrozole is a non-steroidal aromatase inhibitor. It inhibits the aromatase enzyme by competitively binding to the haem of the cytochrome P450 subunit of the enzyme, resulting in a reduction of e..