Skip to Main Content

Anastrozole Oral Tablet (ANASTROZOLE – ORAL)

Anastrozole Oral Tablet (ANASTROZOLE - ORAL)

This medicine is used for the following purposes:

  • cancer prevention
  • cancer

Brand Name(s): Arimidex

Generic Name: Anastrozole

Instructions

This medicine may be taken with or without food.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Do not suddenly stop taking this medicine. Check with your doctor before stopping.

This medicine may affect the strength of your bones. If you have or are at increased risk for osteoporosis (weakening of the bones), your doctor may recommend foods with calcium and vitamin D.

Keep all appointments for medical exams and tests while on this medicine.

Do not take the medicine more than once during 24 hours.

Cautions

This medicine should not be used in patients taking estrogen. The combination of the two medicines can increase the risk of serious side effects, including heart disease and blood clots. Speak with your doctor before taking any medicine containing estrogen.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

Do not use the medication any more than instructed.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Avoid smoking while on this medicine. Smoking may increase your risk for bone fractures.

Do not breastfeed while on this medicine. You may safely start breastfeeding 2 weeks after stopping treatment.

Do not use this medicine if you are pregnant. If you become pregnant, contact your doctor immediately.

Women must use reliable forms of birth control while taking this medicine and for 3 weeks after stopping to prevent pregnancy.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • agitated feeling or trouble sleeping
  • decreased appetite
  • loss of balance
  • constipation or diarrhea
  • dizziness
  • dry mouth
  • lack of energy and tiredness
  • feeling of heat or flushing
  • hair loss
  • headaches
  • nausea and vomiting
  • nervousness
  • stomach upset or abdominal pain
  • sweating
  • cramping of the uterus or bleeding from the vagina
  • vaginal dryness or irritation
  • weight gain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • bone pain
  • coughing
  • depression or feeling sad
  • swelling of the legs, feet, and hands
  • flu-like symptoms
  • numbness or tingling in hands and feet
  • mood changes
  • joint or muscle pain
  • shortness of breath
  • stomach pain
  • light colored stool
  • symptoms of stroke (such as one-sided weakness, slurred speech, confusion)
  • blurring or changes of vision

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Ignite Healthwise, LLC.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.