# Anastrozole (Anastrozole)

Source: https://ourhealthnetwork.com/drugs/anastrozole
Data: FDA Orange Book and OpenFDA, refreshed periodically

## What is Anastrozole?

Anastrozole is an aromatase inhibitor. It is prescribed to treat breast neoplasms. Across the United States, 22,000 doctors prescribe Anastrozole to approximately 379,000 Medicare patients.

## Brand names

Anastrozole

## Indications

Anastrozole is primarily prescribed for the treatment of breast neoplasms.

## Conditions treated

- [Breast Neoplasms](https://ourhealthnetwork.com/conditions/breast-neoplasms)

## Mechanism of action

The growth of many cancers of the breast is stimulated or maintained by estrogens. In postmenopausal women, estrogens are mainly derived from the action of the aromatase enzyme, which converts adrenal androgens (primarily androstenedione and testosterone) to estrone and estradiol.

## Drug classification

- Established Pharmacologic Class: Aromatase Inhibitor [EPC]
- Mechanism of Action class: Aromatase Inhibitors [MoA]
- Route of administration: ORAL

## Common side effects

tamoxifen (51%), Serious adverse reactions were similar between anastrozole (50%), 1264 (41), 1264 (41), 196 (38), Cardiovascular Vasodilatation 1104 (36), CI Hot Flashes 1104 (36), 1100 (36)

## Sources and disclaimers

- FDA Orange Book and OpenFDA dataset
- This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional before starting, stopping, or changing any medication.

## Related

- [All drugs](https://ourhealthnetwork.com/drugs)
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- [Methodology](https://ourhealthnetwork.com/methodology)