Jan 16, 2019 · Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Jun 01, 2018 · Tamoxifen is a hormonal therapy drug used to treat breast cancer, womb cancer and sometimes other cancers and conditions. It may also be used to prevent breast cancer. It is best to read this information with our general information about hormonal therapies and the type of cancer you have. Tamoxifen is usually given as tablets. Apr 17, 2019 · In 2018, the Clinical Pharmacogenetics Implementation Consortium, an international group of scientists that issues guidelines on the effects of genetic factors on reactions to drugs, issued a guideline on using CYP2D6 genotype information to make decisions about prescribing tamoxifen after surgery to treat hormone-receptor-positive breast cancer.

If you need to take tamoxifen to treat breast cancer, the benefits of tamoxifen outweigh the risks. Your doctor or pharmacist will give you the manufacturer's patient information sheet (Medication Guide) when you begin treatment with tamoxifen and each time you refill your prescription. Tamoxifen is a pill, so it's covered under your health insurance plan’s prescription drug benefit rather than the plan’s medical benefit. This means there are usually out-of-pocket costs though, which can add up over time. You may qualify for programs that help with drug costs or offer low-cost or free prescriptions.