Letrazole is a medicine of the class of aromatase blockers (inhibitors), which helps to reduce estrogen levels in the body and to increase testosterone and gonadotropic hormones.Analogues of letrozole: Letroza, Letromar (medicine), EstroletOther drugs of the class of aromatase blockers (inhibitors) (comparable in effectiveness): Anastrozole, Exemestane (Aromazin). The use...