Compare Arimidex vs. Femara

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Arimidex
(Anastrozole)

Femara
(Letrozole)

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Reviews & ratings
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Side effects
ArimidexFemara

We haven’t found good data for Arimidex side effects.

FDA side effect reports for Arimidex »

We haven’t found good data for Femara side effects.

FDA side effect reports for Femara »
How it works
ArimidexFemara
Coming soon.Coming soon.
Type of medication
ArimidexFemara
Coming soon.
Coming soon.
Available as
ArimidexFemara
  • Pill
  • Pill
Used for (click to learn more)
ArimidexFemara
  • Breast cancer
  • Breast cancer
Risk factors for serious side effects
ArimidexFemara
Coming soon.Coming soon.
Pregnancy category
ArimidexFemara
XFDA pregnancy category (Unsafe)

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

See the FDA package insert
XFDA pregnancy category (Unsafe)

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

See the FDA package insert
Alcohol
No specific alcohol-related info.No specific alcohol-related info.
Food
No specific food-related info.No specific food-related info.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.
Sex
No specific sex-related info.No specific sex-related info.
Sleep
No specific sleep-related info.No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.
Upsides and benefits
ArimidexFemara
Coming soon.Coming soon.
Downsides and risks
ArimidexFemara
Coming soon.Coming soon.
Tips from our pharmacists for people taking the medication
ArimidexFemara
Coming soon.Coming soon.
Learn more
More about ArimidexSide effectsReviews & ratingsFDA package insert
More about FemaraSide effectsReviews & ratingsFDA package insert