ARIMIDEX TABLET® – Uses, Dosage and Side Effects

What is Arimidex Tablet?

Arimidex Tablet is a prescription hormonal treatment that helps fight breast cancer by lowering the amount of estrogen in the body. It is also used with other treatments, such as surgery or radiation, to treat early breast cancer in women who have experienced menopause. This product is manufactured by AstraZeneca Ltd, Macclesfield, Cheshire. Each Arimidex tablet contains 1 mg of Anastrozole. Arimidex tablet is available as blister packs of 28 tablets.

  1. Generic Medicine in The Tablet?
  2. Dosage of This Tablet
  3. Working Mechanism of This Medicine
  4. Why is This Tablet Prescribed?
  5. Possible Side Effects of This Medicine
  6. Precautions While Using These Tablets
  7. Using The Medicine During Pregnancy and Breastfeeding
  8. Dosage for Children and Infants
  9. Where to Buy These Tablets?
  10. Reference

arimidex tablet

Generic Medicine in The Tablet

Each Arimidex Tablet contains Anastrozole as a generic medicine. It is used to treat Breast cancer in postmenopausal women.

Dosage of This Tablet

In general, the prescribed dose is to take 1 Arimidex tablet each day. Always consult a doctor to know the correct dosage as per the therapeutic need of the patient.

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. You may take this medicine with or without food, but it is better to take it at a fixed time. Use this medication regularly to get the most benefit from it. You may need to keep taking this medication for up to 5 years. Follow your doctor’s instructions.

Working Mechanism of This Medicine

Anastrozole lowers estrogen levels (natural female hormone) in postmenopausal women, which may slow or stop the growth of certain types of breast tumors that need estrogen to grow in the body. It is often given to women whose cancer has progressed even after taking tamoxifen. It may also be used for purposes not listed in this medication guide.

Why is This Tablet Prescribed?

Arimidex Tablet is used for the treatment of following diseases/conditions:

  • Hormone Receptor Positive Breast Cancer
  • Metastatic breast carcinoma
  • Prevention of breast cancer in high-risk women
  • Cancer of the ovary

Possible Side Effects of This Medicine

  • Weakened and Fragile bones, making them prone to fractures
  • Stomach pain and indigestion, Nausea/vomiting
  • Loss of Appetite, Change in taste, tastelessness
  • Light or clay-colored stools
  • Jaundice-like symptoms, Darkened Urine
  • Swollen lymph nodes and glands
  • Swelling of the limbs, face, cheeks, and tongue
  • Reactions, rashes on the skin
  • Burning sensation in eyes
  • Numbness and Tingling sensations
  • Mild Tremors Problems with your fingers while gripping
  • Hot flushes
  • Joint pain and muscular stiffness
  • Depression, Mood swings, Insomnia
  • Back Pain, Bone Pain, and headaches
  • Itch in the scalp and Thinning hair
  • Tiredness, Dizzyness, and weakness
  • A cough and Sore Throat
  • Increased Blood Cholesterol Levels
  • Shortened breath and breathlessness
  • Abnormal bleeding or foul discharge from vagina
  • Itching and burning sensation in vaginal cavity
  • Dryness and swelling of the tongue, difficulty in speaking or swallowing food

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor immediately.

Precautions While Using These Tablets

  • Before taking Arimidex tablet, tell your doctor if you have any food or drug allergies.
  • Inform your doctor if you still have menstrual periods and have not yet gone through the menopause.
  • Let your doctor know – about your current list of medications and current health conditions.
    Take this medicine only if you are prescribed by a doctor.
  • Before using this medication, tell your conditions, especially of: heart disease, Circulation problem, osteoporosis, liver disease, high blood pressure, blood clots.
  • Do not drive, use machinery, or do any activity that requires alertness, as this drug may make you dizzy.
  • Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor.
  • Be sure to mention any of the medications that contain estrogen such as hormone replacement therapy (HRT), hormonal contraceptives (birth control pills, patches, rings, and injections), Tamoxifen (Nolvadex). Your doctor may need to change the dose of your medications or monitor you carefully for side effects.
  • Do not start, stop, or change the dosage of any medicines without your doctor’s approval.
  • Medical tests such as cholesterol levels, liver function, bone density should be done regularly while you are taking this medication.
  • This medicine can increase the risk of Osteoporosis. However, few lifestyle changes can reduce the risk of bone loss such weight-bearing exercise, getting enough calcium and vitamin D.
  • Avoid consuming beer, wine or other alcoholic beverages.
  • If you forget to take your tablets, just take your usual dose the next day. Don’t take a double dose.

Contact your doctor immediately if you experience any signs of a stroke, serious blood clot, sudden numbness or weakness, severe headache, slurred speech or problems with vision or balance.

Other Precautions

  • Do not crush or chew tablets.
  • Always take this medicine at the same time, each day.
  • Get a new prescription before you run out of tablets
  • Follow the directions written on your medicine label.
  • Keep the tablets in the original pack until it is time to take them.
  • Keep the pack in a cool dry place.
  • Do not store medicine in the bathroom or near a sink.
  • The expiry date printed on the pack has passed
  • Avoid direct contact with sunlight.
  • Always Keep the medicine away from the reach of children and pets.
  • If the packaging is tampered or torn, then do not take this tablet.
  • Do not refrigerate the tablets.
  • Take this medicine only if you are prescribed by a doctor.

Using The Medicine During Pregnancy and Breastfeeding

This drug is classified by FDA as Pregnancy category ‘D’. Do not use Arimidex Tablet if you are pregnant. It could harm the unborn baby. Use effective birth control, and tell your doctor if you become pregnant during treatment. Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant or who may become pregnant. You may need to take a pregnancy test before using anastrozole, to make sure you are not pregnant.

Arimidex Tablet is also unsafe to use while breastfeeding. It is unknown whether this medicine passes into breast milk or if it could harm a nursing baby. You should not breast-feed while you are using it. Because of the possible risk to the infant, breastfeeding while using this drug is not recommended. Consult your doctor before breastfeeding.

Dosage for Children and Infants

These tablets are for only to be used for adult women. Hence, This medicine is not suitable to be given to children and infants.

Where to Buy These Tablets?

Arimidex tablet is a prescription-only medicine. Though available in all major drugstores and pharmacies, you can not buy the tablet without a Prescription given by a Qualified Doctor. It is not sold as an over-the-counter (OTC) medicine.


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