Tamoxifen

Tamoxifen is a medication that belongs to a class known as Selective Estrogen Receptor Modulators (SERMs). It is commonly used in the management of certain types of breast cancer.

This medication can be an important part of treatment plans, often in conjunction with other therapies, to help manage cancer progression.

Information about Tamoxifen

Tamoxifen Uses

Tamoxifen is typically used in the treatment and management of various conditions related to breast cancer.

Treatment of estrogen receptor-positive breast cancer
Prevention of breast cancer recurrence
Reduction of breast cancer risk in high-risk individuals
Management of metastatic breast cancer

How Tamoxifen Works

Tamoxifen works by binding to estrogen receptors in the breast tissue, blocking estrogen from attaching to these receptors. This action can help slow or stop the growth of estrogen-dependent cancer cells.

By interfering with estrogen activity, Tamoxifen can effectively reduce the risk of cancer cell proliferation.

It is considered an important therapy for hormone receptor-positive breast cancer.

Common side effects of Tamoxifen

While not everyone experiences side effects, some individuals may encounter mild and temporary symptoms when taking Tamoxifen.

Hot flashes
Nausea
Fatigue
Mood swings
Vaginal discharge or dryness
Menstrual irregularities
Weight changes

Contact a healthcare provider if you experience severe or persistent side effects.

CONTENT DETAILS

Written By

Douglas C. Goldberg, MD

Reviewed By

Philip Schein, MD

Last updated

28 Nov 2025 | 03:00 PM (UTC)

Medicine brands for Tamoxifen

Nolvadex
Dosage: 10mg, 20mg
from $41.0012 variant(s)

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Expert advice for Tamoxifen

Regularly monitor for any unusual symptoms and report them to your doctor.
Avoid consuming large amounts of alcohol while taking Tamoxifen.
Inform your healthcare provider of all medications you are taking to avoid potential interactions.
Do not use Tamoxifen if you experience sudden vision changes or severe leg pain.
Discuss any plans for surgery or dental procedures with your doctor.

Always consult your healthcare provider for personalized advice and recommendations.

Frequently Asked Questions

What is Tamoxifen used for?

Tamoxifen is used primarily for the treatment and prevention of certain types of breast cancer.

How does Tamoxifen work?

Tamoxifen works by blocking estrogen receptors, which can slow or stop the growth of estrogen-dependent cancer cells.

Can Tamoxifen cause side effects?

Yes, some people may experience side effects like hot flashes, nausea, or mood swings, though not everyone will have them.

Is it safe to drink alcohol while taking Tamoxifen?

It is advisable to limit alcohol consumption while taking Tamoxifen. Discuss with your doctor for more personalized advice.

Can Tamoxifen be used during pregnancy?

Tamoxifen is not recommended during pregnancy. Consult your healthcare provider for guidance if you are pregnant or planning to become pregnant.