About ARIMIDEXARIMIDEX dosing

ARIMIDEX is supplied in bottles of 30, 60, or 90 tablets.

It's important to take your medication as prescribed by your doctor.

Here are tips on how to take the correct dosage of ARIMIDEX

  • Take one tablet at the same time each day
  • If you forget to take a tablet, take one as soon as you remember, if it is at least 12 hours before the next dose is due
  • If it is less than 12 hours to the next dose, do not take the dose you have missed
  • Do not take two tablets at once to make up for a missed dose
  • Always take ARIMIDEX as your doctor prescribes

Ideas to help you remember to take your medication

Sometimes, remembering to take your medication can be challenging. These tips are designed to help you remember to stick to your hormonal treatment.

  • Take it at a time that's part of your daily routine, such as when you wake up in the morning or with dinner
  • Ask a loved one to remind you to take your medicine
  • Create a daily appointment to take your medicine using a daily alarm on
    • Your cell phone
    • Your computer's calendar or other electronic scheduler
    • Your alarm clock
  • Keep a "medicine calendar" and check off each day after you've taken your medication
  • Use the daily tracking diary

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Important Information About ARIMIDEX

ARIMIDEX is approved for adjuvant treatment (treatment following surgery with or without radiation) of postmenopausal women with hormone receptor-positive early breast cancer.

ARIMIDEX is approved for the initial treatment of postmenopausal women with hormone receptor-positive or hormone receptor-unknown locally advanced or metastatic breast cancer and for the treatment of postmenopausal women with advanced breast cancer that has progressed following treatment with tamoxifen. Patients with hormone receptor-negative disease and patients who did not previously respond to tamoxifen therapy rarely responded to ARIMIDEX.

Important Safety Information About ARIMIDEX

  • Prescription ARIMIDEX is only for postmenopausal women. ARIMIDEX should not be taken if you are pregnant because it may harm your unborn child
  • Based on information from a study in patients with early breast cancer, women with a history of blockages in heart arteries (ischemic heart disease) who take ARIMIDEX may have a slight increase in this type of heart disease compared to similar patients who take tamoxifen
  • ARIMIDEX can cause bone softening/weakening (osteoporosis) increasing the chance of fractures. In a clinical study in early breast cancer, there were more fractures (including fractures of the spine, hip, and wrist) with ARIMIDEX (10%) than with tamoxifen (7%)
  • In a clinical study in early breast cancer, some patients taking ARIMIDEX had an increase in cholesterol. Skin reactions, allergic reactions, and changes in blood tests of liver function have also been reported
  • In the early breast cancer clinical trial, the most common side effects seen with ARIMIDEX include hot flashes, joint symptoms (including arthritis and arthralgia), weakness, mood changes, pain, back pain, sore throat, nausea and vomiting, rash, depression, high blood pressure, osteoporosis, fractures, swelling of arms/legs, insomnia, and headache
  • In advanced breast cancer trials, the most common side effects seen with ARIMIDEX versus tamoxifen include hot flashes, nausea, decreased energy and weakness, pain, back pain, headache, bone pain, increased cough, shortness of breath, sore throat, and swelling of arms and legs. Joint pain/stiffness has been reported in association with the use of ARIMIDEX
  • ARIMIDEX should not be taken with tamoxifen or estrogen-containing therapies

Please click here for full Prescribing Information.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.FDA.gov/medwatch or call 1-800-FDA-1088 (1-800-332-1088).