Aromasin is used to treat advanced breast cancer in women who can no longer have children (postmenopausal) whose disease has gotten worse after treatment with tamoxifen.

The safety and effectiveness of Aromasin in women who can still have children (premenopausal) has not been determined.

General Precautions with Aromasin: 

Do not take Aromasin if you are pregnant. Aromasin may cause birth defects or even death to an unborn baby. Aromasin has only been studied in postmenopausal women.

Tell your doctor if you have a history of liver or kidney problems.

What should I tell my doctor or health care provider?

Because certain other medications can interact with Aromasin, review all medications that you are taking with your health care provider, including those that you take without a prescription. It is important to avoid taking any medications containing estrogen along with Aromasin, because they may interfere with the action of Aromasin.

If you are breastfeeding and accidentally exposed to Aromasin tell your doctor right away.

What are some possible side effects of Aromasin? (This is NOT a complete list of side effects reported with Aromasin. Your health care provider can discuss with you a more complete list of side effects.)  

Side effects of Aromasin are generally mild to moderate. Side effects can include:

• Feeling tired
• Nausea
• Hot flashes
• Pain
• Depression
• Inability to sleep
• Anxiety
• Shortness of breath
• Dizziness
• Headache
• Swelling of arms and legs
• Vomiting
• Stomach pain
• Loss of appetite
• Coughing
• Flu-like symptoms
• High blood pressure
• Constipation

For more detailed information about Aromasin, ask your health care provider.

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