What happens when you stop taking letrozole?

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by Drugs.com
When you stop taking letrozole, most persistent side effects should improve within a week or 10 days, and as long as you have taken it for at least 5 years, then letrozole should continue to reduce the risk of breast cancer coming back for many years after you stop taking it. Letrozole is usually taken for 5 years, may be recommended for up to 10 years depending on your individual circumstances. The American Society of Clinical Oncology (ASCO) recommends that 10 years should be the maximum duration of therapy, based on their 2019 clinical practice guideline update.

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