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Fulvestrant

Written By Dr. Anuj SainiReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Fulvestrant Uses

Fulvestrant is used in the treatment of breast cancer.

How Fulvestrant works

Fulvestrant blocks the action of estrogen on breast cancer cells. This can lower or stop the growth of some breast cancer cells that need estrogen to grow.

Common side effects of Fulvestrant

Nausea, Vomiting, Back pain, Fatigue, Hot flashes, Decreased appetite, Constipation, Bone pain, Joint pain, Cough, Injection site pain, Headache, Pain in extremity, Musculoskeletal (bone, muscle or joint) pain, Breathlessness, Increased alanine aminotransferase, Increased aspartate aminotransferase, Weakness
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Expert advice for Fulvestrant

  • Fulvestrant is used for the treatment of hormone dependent breast cancer.
  • It should only be taken by women who have undergone menopause and cannot become pregnant.
  • It is given as a slow injection into the muscles (intramuscular) of your buttock.
  • Inform your doctor if you have any bleeding disorder, kidney or liver disease or if you are receiving any medicines to prevent blood clots.
  • Do not take Fulvestrant if you are pregnant or breastfeeding.
  • Fulvestrant is used for the treatment of hormone dependent breast cancer.
  • It should only be taken by women who have undergone menopause and cannot become pregnant.
  • It is given as a slow injection into the muscles (intramuscular) of your buttock.
  • Inform your doctor if you have any bleeding disorder, kidney or liver disease or if you are receiving any medicines to prevent blood clots.
  • Do not take Fulvestrant if you are pregnant or breastfeeding.

Frequently asked questions for Fulvestrant

Fulvestrant is a medicine, which is used to treat breast cancer in women who have gone through menopause.
Your doctor would advise you the exact dose of this medicine. It is given as a slow (1 to 2 minutes) intramuscular (deep into the muscle) injection into your buttocks. It is administered by a medical healthcare professional only.
The common side effects associated with this medicine are headache, vomiting, urinary tract infection, diarrhea, vaginal bleeding, low platelets count and back pain. If any of these side effects bother you, consult with your doctor.