Exemestane (Aromasin) is an oral medication used to treat breast cancer in postmenopausal women. It’s a form of hormonal therapy called an aromatase inhibitor that works to lower the amount of estrogen in your body. It’s convenient because it’s a tablet that only needs to be taken once a day. But it can cause hot flashes and sweating.
What is exemestane (Aromasin)?
How exemestane (Aromasin) works
Exemestane (Aromasin) is an aromatase inhibitor. Aromatase is a protein in your body that helps convert other hormones into estrogen. By blocking aromatase, exemestane (Aromasin) lowers the amount of estrogen in your body. Estrogen can fuel the growth of certain types of breast cancer cells. Without estrogen, cancer cells won’t have the “fuel” they need to grow or spread.
What are the side effects of exemestane (Aromasin)?
With any medication, there are risks and benefits. Even if the medication is working, you may experience some unwanted side effects.
The following side effects may get better over time as your body gets used to the medication. Let your doctor know immediately if you continue to experience these symptoms or if they worsen over time.
Common side effects
- Hot flashes (up to 33%)
- Joint pain (up to 29%)
- Fatigue (up to 22%)
- Nausea (up to 18%)
- Sweating more often (up to 18%)
- High blood pressure (up to 15%)
- Hair loss (up to 15%)
- Trouble sleeping (up to 14%)
- Headache (up to 13%)
- Depression (up to 13%)
Other side effects
- Pain
- Anxiety
- Trouble breathing
- Diarrhea
- Dizziness
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