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Real members of MyBCTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
July 12, 2025
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Common side effects reported by members taking letrozole include:

• Joint, bone and muscle pain
• Sleep problems and fatigue
• Hot flashes and night sweats
• Sexual side effects like vaginal dryness
• Digestive issues like constipation
• Mood changes including anxiety and depression
• Weight and appetite changes
• Hair Show Full Answer

Common side effects reported by members taking letrozole include:

• Joint, bone and muscle pain
• Sleep problems and fatigue
• Hot flashes and night sweats
• Sexual side effects like vaginal dryness
• Digestive issues like constipation
• Mood changes including anxiety and depression
• Weight and appetite changes
• Hair loss and skin changes The good news is that some side effects may improve over time. For example, some members report joint pain getting better after 6 months of treatment. For managing specific symptoms:

• Using vaginal moisturizers for dryness
• Eating fresh fruits like cantaloupe for constipation
• Getting adequate rest for fatigue
• Working closely with your healthcare team

It's important to report any serious side effects immediately, such as signs of blood clots, liver problems, or heart issues. Your healthcare provider can help adjust treatment if side effects become too difficult to manage.

July 12, 2025

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