Arimidex (Anastrozole)
2,2'-[5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-phenylene]bis(2-methylpropanenitrile). Aromatase Inhibitor (AI), non-steroidal ai.
This page describes what Arimidex (Anastrozole) is and its known risks. It is not medical advice and not a guide to using it. Many of these substances are prescription-only or illegal to use without a prescription. Speak to a doctor.
- Class
- Aromatase Inhibitor (AI)
- Legal status
- Prescription only
- Half-life
- 46-50 hours
- Liver strain
- Low
- Kidney strain
- Low
- Converts to estrogen
- None
- Suppresses natural hormones
- Not typically
Medical uses
- Breast cancer treatment (postmenopausal women)
What it does in the body
Anti-estrogenic
- Inhibits aromatase enzyme
- Reduces estrogen conversion
- Prevents gynecomastia
- Reduces water retention
- Lowers blood pressure (estrogen-related)
Forms, half-life and detection
| Form | Half-life | Reported detection window |
|---|---|---|
| Oral | 46-50 hours | Not tested |
Side effects and health risks
Hormones and fertility
- Crashed estrogen (if overdosed)
- Joint pain (low estrogen)
- Reduced libido (low estrogen)
- Erectile dysfunction (low estrogen)
Musculoskeletal
- Joint pain and stiffness
- Bone density loss (long-term)
Heart and blood vessels
- Negative lipid changes (if estrogen too low)
Mood and mind
- Depression (low estrogen)
- Mood swings
Related compounds
Questions
What is the half-life of Arimidex (Anastrozole)?
About 46-50 hours. Half-life is the time for the level in the blood to fall by half.
How long is Arimidex (Anastrozole) detectable?
Testing windows of Not tested are reported, depending on the test and the person.
Is Arimidex (Anastrozole) legal?
Prescription only. Laws differ by country and change; check the rules where you live.
What blood tests matter with Arimidex (Anastrozole)?
Ask a doctor which tests suit you.
What are the side effects of Arimidex (Anastrozole)?
Hormones and fertility: crashed estrogen (if overdosed), joint pain (low estrogen) and reduced libido (low estrogen). Musculoskeletal: joint pain and stiffness and bone density loss (long-term). Heart and blood vessels: negative lipid changes (if estrogen too low).
For information only, not medical advice. MyoStats is a tracking tool used at your own discretion. Speak to a doctor before changing your training, diet, medication or anything you take.