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Can Actonel cause weight gain?

Page last modified on: October 16, 2008
Question from Svite-4: I have been on tamoxifen for three years and Actonel for 2 years. The first year I lost 20 lbs. but now I have gained them back. My diet is low fat and low carbs. Could the Actonel be causing the weight gain?
Answers —Cyndi Thomson, Ph.D., R.D.: Again, it's highly variable. Please discuss this with your doctor.
Melinda Irwin, Ph.D., M.P.H.: It also may depend on your age. If you're in your young 50s and were going through menopause either after or during the tamoxifen and prior to the Actonel, that could have caused some of the weight gain.

On Wednesday, April 18, 2007, the Ask-the-Expert Online Conference was called Weight Management During and After Breast Cancer Treatment. Cyndi Thomson, Ph.D., R.D. and Melinda Irwin Ph.D., M.P.H. answered your questions on managing weight during and after breast cancer treatment.

The materials presented in these conferences do not necessarily reflect the views of breastcancer.org. A qualified healthcare professional should be consulted before using any therapeutic product or regimen discussed. All readers should verify all information and data before employing any therapies described here.

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Meet the Experts

Cyndi Thomson, Ph.D., R.D.Cyndi Thomson, Ph.D., R.D. is an associate professor in Nutritional Sciences at the University of Arizona - with joint appointments in medicine and public health.

Melinda Irwin, Ph.D., M.P.H. is an assistant professor in the department of Epidemiology and Public Health at Yale School of Medicine.

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