Patient Education Quick Reference Guide Diablo Valley Oncology/Hematology Medical Group Phone Number: 925-677-5041Uses For This Medication
- Anastrozole is used to treat adults with breast cancer.
- This medication may also be given for other conditions as determined by your doctor.
- Are allergic to anastrozole or any of its components
Organ related precautionsThis medication is broken down by enzymes (chemicals) in the liver and cleared from the body. In patients with severe liver disease, anastrozole may not break down normally which can lead to high levels of this medication in the body and a greater chance of side effects. If you have any liver problems before starting this medication, make sure that you tell your doctor or healthcare provider so that he or she can watch you carefully for possible problems or side effects. Patient specific precautions
- It is not known if this medication is safe and effective in children.
- Tamoxifen (Nolvadex ® )
- Birth control pills or other estrogen containing medications
- All medications can cause side effects. However, not all patients will experience these side effects. In addition, other side effects not listed can also occur in some patients. You should call your doctor or healthcare provider if you have any questions or concerns while you are on this medication.
- You should contact your doctor or healthcare provider if you experience any side effect(s) which don’t go away, worsen, are serious in nature, or are worrisome to you.
- Side effects can occur when anastrozole is given alone or together with other chemotherapy medications. The side effects listed below are those reported in patients who were treated with anastrozole alone.
More common side effects
- Decreased energy level
- Digestive upset (such as nausea, vomiting, diarrhea)
Less common side effects
- Nausea, vomiting, diarrhea, increased or decreased appetite
- Sweating, hot flushes
- Bone and joint problems
- Mood changes
- Pain, sore throat
- Blood clots with redness or mild swelling of arms, legs and ankles, pain in leg calves, shortness of breath, difficulty breathing
- Swelling of the ankles, feet, and legs
- Osteoporosis, bone fractures
- Hair thinning
- Vaginal dryness
- Weight gain
- This medication is taken by mouth (orally) with or without food. Take this medication exactly as directed by your doctor or healthcare provider. If you do not understand these instructions, ask your doctor or healthcare provider to explain them to you.
- It is important that you only use this medication when it’s been prescribed for you. Sharing this medication with someone for whom it is not prescribed could cause harm.
- If you miss a dose of anastrozole, take it when you remember, then take the next dose as usual. If it is almost time for your next dose or you remember at your next dose, do not take extra tablets to make up the missed dose.
- If you accidentally take too many pills or someone else accidentally takes your medication, contact your doctor, your local poison control center at 1-800-222-1222, or emergency services immediately.