Drugs >  Anastrozole
Anastrozole
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(an AS troe zole)

Brand Names
Arimidex®

Therapeutic Categories
Antineoplastic Agent, Miscellaneous

Reasons not to take this medicine
  • If you have an allergy to anastrozole or any other part of this medicine.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
  • If you are pregnant or may be pregnant.

  • What is this medicine used for?
  • This medicine is used to treat breast cancer in postmenopausal females.

  • How does it work?
  • Anastrozole prevents estrogen from feeding estrogen-dependent cancer cells. This decreases spread of the cancer.

  • How is it best taken?
  • Take this medicine with or without food. Take with food if it causes an upset stomach.

  • What do I do if I miss a dose?
  • Take a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
  • Do not take a double dose or extra doses.
  • Do not change dose or stop medicine. Talk with healthcare provider.

  • What are the precautions when taking this medicine?
  • If you have high cholesterol or are taking a cholesterol-lowering agent, talk with healthcare provider.
  • If you have high blood pressure, talk with healthcare provider.
  • If you are taking tamoxifen, talk with healthcare provider.
  • If you have any circulation problems, talk with healthcare provider.
  • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
  • Tell healthcare provider if you are breast-feeding.

  • What are the common side effects of this medicine?
  • Flushing. Wearing layers of clothes or summer clothes and cool environment may help.
  • Feeling tired or weak.
  • Headache. Mild pain medicine may help.
  • Joint pain.
  • Cough.

  • What should I monitor?
  • Change in condition being treated. Is it better, worse, or about the same?
  • Check blood work (cholesterol panel). Talk with healthcare provider.
  • Check blood pressure and heart rate regularly.
  • Follow up with healthcare provider.

  • Reasons to call healthcare provider immediately
  • If you suspect an overdose, call your local poison control center immediately or dial 911.
  • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
  • Chest pain or pressure.
  • Difficulty breathing.
  • Swelling or pain of leg or arm.
  • Severe headache.
  • Signs or symptoms of depression, suicidal thoughts, nervousness, emotional ups and downs, abnormal thinking, anxiety, or lack of interest in life.
  • Severe nausea or vomiting.
  • Severe diarrhea.
  • For females, vaginal yeast infection. Report itching or discharge.
  • Any rash.
  • No improvement in condition or feeling worse.

  • How should I store this medicine?
  • Store at room temperature.
  • Protect from moisture. Do not store in a bathroom or kitchen.

  • General statements
  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

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