Chemo Drugs

Arimidex (Anastrozole)

What Does It Look Like?

Tablet, white

How Is It Given?

Orally (mouth)

Why Am I Taking It?

Arimidex is an anti-cancer drug that stops cell growth by interfering with the production of estrogen in the body. This drug is used to treat breast cancer.

What Side Effects May Occur?

You may experience some, all, or none of those listed. Most side effects do not last long. Tell the doctor or nurse about any that you notice. The information here does not include all possible side effects; others may occur. Please report any problems to your doctor.

General Side Effects

These side effects may lessen or disappear completely as your body becomes used to the medication.

• Bone or muscle pain
• Diarrhea
• Dizziness
• Dry mouth or stuffy nose
• Hot flashes, skin rash or redness or sweating
• Nausea or vomiting. This may lessen by taking the medicine with food and not on an empty stomach
• Weight gain

Notify Your Doctor

If any of the following occur:

• Chest pain or shortness of breath
• Swelling of your feet or legs
• Fever or chills or other signs of infection such as sore throat, pain with urination, cough
• Unexpected heavy vaginal bleeding

How Do I Store This Medicine?

• Keep away from heat and bright light or a damp place. Heat and moisture will weaken the medicine
• Do not refrigerate or allow to freeze

Special Notes

• Try to take your medicine at the same time each day. This will help you to remember it.
• If you forget to take a dose and it is still in the same day that you should have taken it, take a dose right away. If it is close to the time of the next dose, just skip the one that you missed. Do not double up on a dose of this medicine.
• You should not plan to become pregnant while you are taking this medicine.