Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier
WebMD

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started
My Medicine
WebMD

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion
    WebMD

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community
    WebMD

    Community

    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Breast Cancer Health Center

Font Size
A
A
A

Tamoxifen for Breast Cancer Treatment, Prevention

What are the side effects of tamoxifen?

When a woman takes tamoxifen to treat breast cancer, most doctors agree that the benefits of the drug are much greater than the possible risks of taking it. Some experts believe that women who take it to prevent the disease should think carefully about the pros and the cons, like the cost of the drug and its side effects, which can be serious.

Side effects of tamoxifen include:

Milder side effects include symptoms that are similar to menopause, such as:

Tamoxifen may also cause irregular periods and sexual problems.

If you’ve been diagnosed with breast cancer or you’re at high risk for the disease, talk with your doctor to see if tamoxifen is right for you. Together, you can weigh the benefits and risks of this drug to make sure you get the healthiest result.

WebMD Medical Reference

Reviewed by Melinda Ratini, DO, MS on September 02, 2014
1 | 2

Today on WebMD

Breast Cancer Overview
From self-exams and biopsies to reconstruction, we’ve got you covered.
Dealing with breast cancer
Get answers to your questions.
 
woman having mammogram
Experts don’t agree on all fronts, but you can be your own advocate.
woman undergoing breast cancer test
Many women worry. But the truth? Most abnormalities aren’t breast cancer.
 
Breast Cancer Treatments Improving
VIDEO
Resolved To Quit Smoking
SLIDESHOW
 
Woman getting mammogram
Article
Screening Tests for Women
SLIDESHOW
 
ovarian cancer overview slideshow
SLIDESHOW
serious woman
Article
 
what is your cancer risk
HEALTH CHECK
10 Ways to Revitalize Slideshow
SLIDESHOW