What is Anastrozole?

Category: Prescription Drugs

Most popular types: Arimidex

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Anastrozole is used alone or with other treatments, such as surgery or radiation, to treat early breast cancer in women who have experienced menopause (change of life; end of monthly menstrual periods). Anastrozole is an aromatase inhibitors, which decreases the amount of estrogen in the body.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Breast cancer 64 60
Increase effect of another treatment 7 1
Hypogonadism 3 3
Bone metastases 1 1
Doctor recommendation 1 0

Show all 9 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 8
Moderate 19
Mild 15
None 24

Commonly reported side effects and conditions associated with Anastrozole

Side effect Patients
Hot flashes 9
Joint pain 9
Weight gain 4
Bone pain 3
Insomnia 3
Muscle and joint pain 3

Show all 50 reported side effects

Dosages

Based on patients currently taking Anastrozole

Dosage Patients
1 mg daily 24
0.5 mg weekly 1
0.5 mg every other day 1

Why patients stopped taking Anastrozole

Multiple reasons could be selected

Reason Patients
Side effects too severe 12
Course of treatment ended 8
Doctor's advice 8
Other 5
Did not seem to work 4
Personal research 2
Expense 1
See all 24 patients who've stopped taking Anastrozole

Duration

Currently taking Anastrozole

Duration Patients
1 - 6 months 1
6 months - 1 year 5
1 - 2 years 4
2 - 5 years 15
5 - 10 years 3

Stopped taking Anastrozole

Duration Patients
Less than 1 month 3
1 - 6 months 3
6 months - 1 year 6
1 - 2 years 4
2 - 5 years 2
5 - 10 years 6
Adherence
Adherence Evaluations
Always 61
Usually 2
Sometimes 1
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 4
A little hard to take 3
Not at all hard to take 56
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 0
$50-99 0
$25-49 1
< $25 43
Not specified 21

What people switch to and from

Patients started taking Anastrozole after stopping:

Treatment Patients
Exemestane (Aromasin) 3
Tamoxifen (Nolvadex) 3
Chemotherapy 2
Fareston 1
Letrozole (Femara) 1

Show all 7 treatments patients report switching from

Patients stopped taking Anastrozole and switched to:

Treatment Patients
Chemotherapy 1
Letrozole (Femara) 1
Last updated:

2 patient evaluations for Anastrozole

Apr 17, 2015 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: I no longer take this medicine. The doctor told me that I'm considered to be cured of my breast cancer.
Cost: < $25 monthly
Side effects: hot flashes

Mar 28, 2015 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    Moderate (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I no longer take this medicine, the Dr. said I don't need it anymore.
Cost: < $25 monthly
Side effects: hot flashes

Mar 20, 2015 (Started Oct 26, 2009)

  • Effectiveness
    Moderate (for breast cancer)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Feb 4, 2015 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    Mild (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I will agree with what I've said before, it has had no negative impact on my life.
Cost: < $25 monthly
Side effects: hot flashes

Oct 28, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Sep 10, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Jun 2, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    Mild (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

May 8, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Moderate (for breast cancer)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Mar 8, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Jan 31, 2014 (Started Oct 26, 2009)

  • Effectiveness
    Moderate (for breast cancer)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Cost: < $25 monthly
Side effects: hot flashes

Jan 17, 2011 (Started Oct 26, 2009)

  • Effectiveness
    Moderate (for breast cancer)
  • Side effects
    Moderate (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I take it at bedtime with other meds. It has been no burden on me and on my lifestyle.
Cost: < $25 monthly
Side effects: hot flashes

Sep 6, 2010 (Started Oct 26, 2009)

  • Effectiveness
    Major (for breast cancer)
  • Side effects
    Mild (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I've had no impact due to taking this medicine. I take it once a day, usually at night.
Cost: < $25 monthly
Side effects: hot flashes

Dec 7, 2009 (Started Oct 26, 2009)

  • Effectiveness
    Moderate (for breast cancer)
  • Side effects
    Mild (hot flashes)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: I take it at night, so hopefully I will avoid too many side effects. It really has no impact on my daily life.
Cost: < $25 monthly
Side effects: hot flashes

  • 0 helpful marks

Aug 31, 2011 (Started Jul 01, 2007)

  • Effectiveness
    Can't tell (for invasive lobular carcinoma)
  • Side effects
    Moderate
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: The only side-effect I have experienced from this drug is the acceleration of the effects of menopause and estrogen deficiency. Specifically, I am very susceptible to urinary tract infections, vaginal dryness and burning, but have finally controlled this by taking a small amount of estrogen vaginally twice weekly (Vagifem). I also find it necessary to use a vaginal moisturizer (Replens) for dryness and ph balance.
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 2 of 2 patient evaluations for Anastrozole