Official Answer. Overall, trials have shown no difference in the amount of weight gained between women taking anastrozole and those who were taking tamoxifen or placebo (a pretend pill).
What are the most common side effects of Arimidex?
Common side effects of Arimidex include:
- constipation,
- diarrhea,
- nausea,
- vomiting,
- upset stomach,
- loss of appetite,
- body aches and pains (back pain, bone pain, joint pain or stiffness),
- breast swelling/tenderness/pain,
Does everyone gain weight on anastrozole?
Studies have shown that weight gain is not increased in women taking tamoxifen or anastrozole, but it is harder to study the effects of these drugs on a woman's ability to lose weight. Regardless of the reasons for weight gain, weight loss requires calorie reduction.