Letrozole was also shown to have similar efficacy to megestrol acetate in two large randomized studies. There are studies that suggest there might be a link, and those that fail to find a link. Send thanks to the doctor. What I was finding … Femara, also known as letrozole, is a drug used for treating breast cancer in postmenopausal women. A 34-year-old member asked: Can femara (letrozole) cause a miscarriage? Specializes in Obstetrics and Gynecology. The phase IV clinical study is created by eHealthMe based on reports of 24,728 people who have side effects when taking Letrozole from the … Femara is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years.Femara is available in generic form. Dr. Barbara Toppin answered. Talk to your doctor about changing your medication. Dombernowsky et al. Letrozole is used to treat certain types of breast cancer in women who have already stopped menstruating (postmenopausal). Femara is a potent hormone drug and only your physician can assess if it can be of benefit to you and in what doses. I'm no longer on Letrozole - long story but nothing to do with my cancer treatment. Femara (letrozole): One of the side effects of Femara (letrozole) is weight gain. I had done a bit of research while taking it, I had a year of misery with stiff joints, hot flushes through the roof & feeling sluggish probably because of weight gain. Weight gain is commonly reported by breast cancer patients on tamoxifen or aromatase inhibitors. Femara is a non-steroidal aromatase inhibitor (lowers estrogen production) used to treat breast cancer in postmenopausal women. Female hormones that occur naturally in the body can increase the growth of some breast cancers. Most address the question in the context of more general studies. This therapy has several side effects, and one of them is weight loss. It is also used for women who have already had other cancer treatments (eg, tamoxifen). Aromatase inhibitors aren’t used to reduce recurrence risk in premenopausal women. Weight gain may be more likely in women with breast cancer under the age of 60, who smoke, or who have had a mastectomy. Common side effects of Femara include: hot flashes, ; warmth in your face or chest, Weight gain is common during breast cancer treatment, but there isn’t enough evidence to prove that it’s a side effect of tamoxifen. Weight increased is found among people who take Letrozole, especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years. This portion of the eMedTV archives lists some things you can try if you're on Femara and weight gain occurs (such as limiting your alcohol intake and eating heart-healthy foods). Many women gain weight during breast cancer treatment. Up to 11 percent of people who take Femara experience weight gain. Selected from data included with permission and copyrighted by First Databank, Inc. 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