Most people do not have any problems while taking Femara® (letrozole). However, this breast cancer medication is not suitable for everyone. For example, some of the dangers of Femara include potentially serious side effects. Contact your healthcare provider right away if you experience problems such as:
- Chest pain
- Difficulty breathing
- Unusual or unexplained vaginal bleeding.
In most cases, side effects of Femara tend to be minor and are generally easy to treat. Some of the most common side effects of the medication include but are not limited to:
Other potential Femara dangers include possible drug interactions and allergic reactions. Also, you may not be able to take Femara if you have not gone through menopause or have osteoporosis.
(For more information on potential dangers of this drug, click Femara Side Effects and Femara Warnings and Precautions. These articles also discuss what to tell your healthcare provider before using this breast cancer medication.)